80491856

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{122701}}^1$

素因数の和:122750

約数の個数: 20

約数和(自身を含む): 159758004

約数和(自身を除く): 79266148

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 122701, 245402, 490804, 981608, 1963216, 5030741, 10061482, 20122964, 40245928, 80491856]

約数ペア:

[(1, 80491856), (2, 40245928), (4, 20122964), (8, 10061482), (16, 5030741), (41, 1963216), (82, 981608), (164, 490804), (328, 245402), (656, 122701)]