57139240

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{34841}}^1$

素因数の和:34893

約数の個数: 32

約数和(自身を含む): 131702760

約数和(自身を除く): 74563520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 34841, 69682, 139364, 174205, 278728, 348410, 696820, 1393640, 1428481, 2856962, 5713924, 7142405, 11427848, 14284810, 28569620, 57139240]

約数ペア:

[(1, 57139240), (2, 28569620), (4, 14284810), (5, 11427848), (8, 7142405), (10, 5713924), (20, 2856962), (40, 1428481), (41, 1393640), (82, 696820), (164, 348410), (205, 278728), (328, 174205), (410, 139364), (820, 69682), (1640, 34841)]