25180400

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^2$

素因数の和:88

約数の個数: 180

約数和(自身を含む): 76526352

約数和(自身を除く): 51345952

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 23, 25, 28, 34, 35, 40, 46, 50, 56, 68, 70, 80, 85, 92, 100, 112, 115, 119, 136, 140, 161, 170, 175, 184, 200, 230, 238, 272, 280, 322, 340, 350, 368, 391, 400, 425, 460, 476, 529, 560, 575, 595, 644, 680, 700, 782, 805, 850, 920, 952, 1058, 1150, 1190, 1288, 1360, 1400, 1564, 1610, 1700, 1840, 1904, 1955, 2116, 2300, 2380, 2576, 2645, 2737, 2800, 2975, 3128, 3220, 3400, 3703, 3910, 4025, 4232, 4600, 4760, 5290, 5474, 5950, 6256, 6440, 6800, 7406, 7820, 8050, 8464, 8993, 9200, 9520, 9775, 10580, 10948, 11900, 12880, 13225, 13685, 14812, 15640, 16100, 17986, 18515, 19550, 21160, 21896, 23800, 26450, 27370, 29624, 31280, 32200, 35972, 37030, 39100, 42320, 43792, 44965, 47600, 52900, 54740, 59248, 62951, 64400, 68425, 71944, 74060, 78200, 89930, 92575, 105800, 109480, 125902, 136850, 143888, 148120, 156400, 179860, 185150, 211600, 218960, 224825, 251804, 273700, 296240, 314755, 359720, 370300, 449650, 503608, 547400, 629510, 719440, 740600, 899300, 1007216, 1094800, 1259020, 1481200, 1573775, 1798600, 2518040, 3147550, 3597200, 5036080, 6295100, 12590200, 25180400]

約数ペア:

[(1, 25180400), (2, 12590200), (4, 6295100), (5, 5036080), (7, 3597200), (8, 3147550), (10, 2518040), (14, 1798600), (16, 1573775), (17, 1481200), (20, 1259020), (23, 1094800), (25, 1007216), (28, 899300), (34, 740600), (35, 719440), (40, 629510), (46, 547400), (50, 503608), (56, 449650), (68, 370300), (70, 359720), (80, 314755), (85, 296240), (92, 273700), (100, 251804), (112, 224825), (115, 218960), (119, 211600), (136, 185150), (140, 179860), (161, 156400), (170, 148120), (175, 143888), (184, 136850), (200, 125902), (230, 109480), (238, 105800), (272, 92575), (280, 89930), (322, 78200), (340, 74060), (350, 71944), (368, 68425), (391, 64400), (400, 62951), (425, 59248), (460, 54740), (476, 52900), (529, 47600), (560, 44965), (575, 43792), (595, 42320), (644, 39100), (680, 37030), (700, 35972), (782, 32200), (805, 31280), (850, 29624), (920, 27370), (952, 26450), (1058, 23800), (1150, 21896), (1190, 21160), (1288, 19550), (1360, 18515), (1400, 17986), (1564, 16100), (1610, 15640), (1700, 14812), (1840, 13685), (1904, 13225), (1955, 12880), (2116, 11900), (2300, 10948), (2380, 10580), (2576, 9775), (2645, 9520), (2737, 9200), (2800, 8993), (2975, 8464), (3128, 8050), (3220, 7820), (3400, 7406), (3703, 6800), (3910, 6440), (4025, 6256), (4232, 5950), (4600, 5474), (4760, 5290)]