81465790

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{11299}}^1$

素因数の和:11416

約数の個数: 32

約数和(自身を含む): 169228800

約数和(自身を除く): 87763010

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 103, 206, 515, 721, 1030, 1442, 3605, 7210, 11299, 22598, 56495, 79093, 112990, 158186, 395465, 790930, 1163797, 2327594, 5818985, 8146579, 11637970, 16293158, 40732895, 81465790]

約数ペア:

[(1, 81465790), (2, 40732895), (5, 16293158), (7, 11637970), (10, 8146579), (14, 5818985), (35, 2327594), (70, 1163797), (103, 790930), (206, 395465), (515, 158186), (721, 112990), (1030, 79093), (1442, 56495), (3605, 22598), (7210, 11299)]