57256540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{317}}^1\times {\mathrm{821}}^1$

素因数の和:1158

約数の個数: 48

約数和(自身を含む): 131743584

約数和(自身を除く): 74487044

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 317, 634, 821, 1268, 1585, 1642, 3170, 3284, 3487, 4105, 6340, 6974, 8210, 9031, 13948, 16420, 17435, 18062, 34870, 36124, 45155, 69740, 90310, 180620, 260257, 520514, 1041028, 1301285, 2602570, 2862827, 5205140, 5725654, 11451308, 14314135, 28628270, 57256540]

約数ペア:

[(1, 57256540), (2, 28628270), (4, 14314135), (5, 11451308), (10, 5725654), (11, 5205140), (20, 2862827), (22, 2602570), (44, 1301285), (55, 1041028), (110, 520514), (220, 260257), (317, 180620), (634, 90310), (821, 69740), (1268, 45155), (1585, 36124), (1642, 34870), (3170, 18062), (3284, 17435), (3487, 16420), (4105, 13948), (6340, 9031), (6974, 8210)]