2577996880

素因数分解:

$2^4\times 5^1\times {\mathrm{32224961}}^1$

素因数の和:32224974

約数の個数: 20

約数和(自身を含む): 5993842932

約数和(自身を除く): 3415846052

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 32224961, 64449922, 128899844, 161124805, 257799688, 322249610, 515599376, 644499220, 1288998440, 2577996880]

約数ペア:

[(1, 2577996880), (2, 1288998440), (4, 644499220), (5, 515599376), (8, 322249610), (10, 257799688), (16, 161124805), (20, 128899844), (40, 64449922), (80, 32224961)]