21800388800

素因数分解:

$2^6\times 5^2\times {\mathrm{41}}^1\times {\mathrm{439}}^1\times {\mathrm{757}}^1$

素因数の和:1259

約数の個数: 168

約数和(自身を含む): 55148866080

約数和(自身を除く): 33348477280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 41, 50, 64, 80, 82, 100, 160, 164, 200, 205, 320, 328, 400, 410, 439, 656, 757, 800, 820, 878, 1025, 1312, 1514, 1600, 1640, 1756, 2050, 2195, 2624, 3028, 3280, 3512, 3785, 4100, 4390, 6056, 6560, 7024, 7570, 8200, 8780, 10975, 12112, 13120, 14048, 15140, 16400, 17560, 17999, 18925, 21950, 24224, 28096, 30280, 31037, 32800, 35120, 35998, 37850, 43900, 48448, 60560, 62074, 65600, 70240, 71996, 75700, 87800, 89995, 121120, 124148, 140480, 143992, 151400, 155185, 175600, 179990, 242240, 248296, 287984, 302800, 310370, 332323, 351200, 359980, 449975, 496592, 575968, 605600, 620740, 664646, 702400, 719960, 775925, 899950, 993184, 1151936, 1211200, 1241480, 1329292, 1439920, 1551850, 1661615, 1799900, 1986368, 2482960, 2658584, 2879840, 3103700, 3323230, 3599800, 4965920, 5317168, 5759680, 6207400, 6646460, 7199600, 8308075, 9931840, 10634336, 12414800, 13292920, 13625243, 14399200, 16616150, 21268672, 24829600, 26585840, 27250486, 28798400, 33232300, 49659200, 53171680, 54500972, 66464600, 68126215, 106343360, 109001944, 132929200, 136252430, 218003888, 265858400, 272504860, 340631075, 436007776, 531716800, 545009720, 681262150, 872015552, 1090019440, 1362524300, 2180038880, 2725048600, 4360077760, 5450097200, 10900194400, 21800388800]

約数ペア:

[(1, 21800388800), (2, 10900194400), (4, 5450097200), (5, 4360077760), (8, 2725048600), (10, 2180038880), (16, 1362524300), (20, 1090019440), (25, 872015552), (32, 681262150), (40, 545009720), (41, 531716800), (50, 436007776), (64, 340631075), (80, 272504860), (82, 265858400), (100, 218003888), (160, 136252430), (164, 132929200), (200, 109001944), (205, 106343360), (320, 68126215), (328, 66464600), (400, 54500972), (410, 53171680), (439, 49659200), (656, 33232300), (757, 28798400), (800, 27250486), (820, 26585840), (878, 24829600), (1025, 21268672), (1312, 16616150), (1514, 14399200), (1600, 13625243), (1640, 13292920), (1756, 12414800), (2050, 10634336), (2195, 9931840), (2624, 8308075), (3028, 7199600), (3280, 6646460), (3512, 6207400), (3785, 5759680), (4100, 5317168), (4390, 4965920), (6056, 3599800), (6560, 3323230), (7024, 3103700), (7570, 2879840), (8200, 2658584), (8780, 2482960), (10975, 1986368), (12112, 1799900), (13120, 1661615), (14048, 1551850), (15140, 1439920), (16400, 1329292), (17560, 1241480), (17999, 1211200), (18925, 1151936), (21950, 993184), (24224, 899950), (28096, 775925), (30280, 719960), (31037, 702400), (32800, 664646), (35120, 620740), (35998, 605600), (37850, 575968), (43900, 496592), (48448, 449975), (60560, 359980), (62074, 351200), (65600, 332323), (70240, 310370), (71996, 302800), (75700, 287984), (87800, 248296), (89995, 242240), (121120, 179990), (124148, 175600), (140480, 155185), (143992, 151400)]