28577120

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1249}}^1$

素因数の和:1288

約数の個数: 96

約数和(自身を含む): 79380000

約数和(自身を除く): 50802880

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 32, 40, 44, 52, 55, 65, 80, 88, 104, 110, 130, 143, 160, 176, 208, 220, 260, 286, 352, 416, 440, 520, 572, 715, 880, 1040, 1144, 1249, 1430, 1760, 2080, 2288, 2498, 2860, 4576, 4996, 5720, 6245, 9992, 11440, 12490, 13739, 16237, 19984, 22880, 24980, 27478, 32474, 39968, 49960, 54956, 64948, 68695, 81185, 99920, 109912, 129896, 137390, 162370, 178607, 199840, 219824, 259792, 274780, 324740, 357214, 439648, 519584, 549560, 649480, 714428, 893035, 1099120, 1298960, 1428856, 1786070, 2198240, 2597920, 2857712, 3572140, 5715424, 7144280, 14288560, 28577120]

約数ペア:

[(1, 28577120), (2, 14288560), (4, 7144280), (5, 5715424), (8, 3572140), (10, 2857712), (11, 2597920), (13, 2198240), (16, 1786070), (20, 1428856), (22, 1298960), (26, 1099120), (32, 893035), (40, 714428), (44, 649480), (52, 549560), (55, 519584), (65, 439648), (80, 357214), (88, 324740), (104, 274780), (110, 259792), (130, 219824), (143, 199840), (160, 178607), (176, 162370), (208, 137390), (220, 129896), (260, 109912), (286, 99920), (352, 81185), (416, 68695), (440, 64948), (520, 54956), (572, 49960), (715, 39968), (880, 32474), (1040, 27478), (1144, 24980), (1249, 22880), (1430, 19984), (1760, 16237), (2080, 13739), (2288, 12490), (2498, 11440), (2860, 9992), (4576, 6245), (4996, 5720)]