55215580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{521}}^1\times {\mathrm{757}}^1$

素因数の和:1294

約数の個数: 48

約数和(自身を含む): 132947136

約数和(自身を除く): 77731556

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 521, 757, 1042, 1514, 2084, 2605, 3028, 3647, 3785, 5210, 5299, 7294, 7570, 10420, 10598, 14588, 15140, 18235, 21196, 26495, 36470, 52990, 72940, 105980, 394397, 788794, 1577588, 1971985, 2760779, 3943970, 5521558, 7887940, 11043116, 13803895, 27607790, 55215580]

約数ペア:

[(1, 55215580), (2, 27607790), (4, 13803895), (5, 11043116), (7, 7887940), (10, 5521558), (14, 3943970), (20, 2760779), (28, 1971985), (35, 1577588), (70, 788794), (140, 394397), (521, 105980), (757, 72940), (1042, 52990), (1514, 36470), (2084, 26495), (2605, 21196), (3028, 18235), (3647, 15140), (3785, 14588), (5210, 10598), (5299, 10420), (7294, 7570)]