61649240

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{37591}}^1$

素因数の和:37643

約数の個数: 32

約数和(自身を含む): 142097760

約数和(自身を除く): 80448520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 37591, 75182, 150364, 187955, 300728, 375910, 751820, 1503640, 1541231, 3082462, 6164924, 7706155, 12329848, 15412310, 30824620, 61649240]

約数ペア:

[(1, 61649240), (2, 30824620), (4, 15412310), (5, 12329848), (8, 7706155), (10, 6164924), (20, 3082462), (40, 1541231), (41, 1503640), (82, 751820), (164, 375910), (205, 300728), (328, 187955), (410, 150364), (820, 75182), (1640, 37591)]