56578160

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{317}}^1$

素因数の和:450

約数の個数: 80

約数和(自身を含む): 139116096

約数和(自身を除く): 82537936

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 97, 115, 184, 194, 230, 317, 368, 388, 460, 485, 634, 776, 920, 970, 1268, 1552, 1585, 1840, 1940, 2231, 2536, 3170, 3880, 4462, 5072, 6340, 7291, 7760, 8924, 11155, 12680, 14582, 17848, 22310, 25360, 29164, 30749, 35696, 36455, 44620, 58328, 61498, 72910, 89240, 116656, 122996, 145820, 153745, 178480, 245992, 291640, 307490, 491984, 583280, 614980, 707227, 1229960, 1414454, 2459920, 2828908, 3536135, 5657816, 7072270, 11315632, 14144540, 28289080, 56578160]

約数ペア:

[(1, 56578160), (2, 28289080), (4, 14144540), (5, 11315632), (8, 7072270), (10, 5657816), (16, 3536135), (20, 2828908), (23, 2459920), (40, 1414454), (46, 1229960), (80, 707227), (92, 614980), (97, 583280), (115, 491984), (184, 307490), (194, 291640), (230, 245992), (317, 178480), (368, 153745), (388, 145820), (460, 122996), (485, 116656), (634, 89240), (776, 72910), (920, 61498), (970, 58328), (1268, 44620), (1552, 36455), (1585, 35696), (1840, 30749), (1940, 29164), (2231, 25360), (2536, 22310), (3170, 17848), (3880, 14582), (4462, 12680), (5072, 11155), (6340, 8924), (7291, 7760)]