80943970

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{311}}^1\times {\mathrm{1531}}^1$

素因数の和:1866

約数の個数: 32

約数和(自身を含む): 154866816

約数和(自身を除く): 73922846

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 311, 622, 1531, 1555, 3062, 3110, 5287, 7655, 10574, 15310, 26027, 26435, 52054, 52870, 130135, 260270, 476141, 952282, 2380705, 4761410, 8094397, 16188794, 40471985, 80943970]

約数ペア:

[(1, 80943970), (2, 40471985), (5, 16188794), (10, 8094397), (17, 4761410), (34, 2380705), (85, 952282), (170, 476141), (311, 260270), (622, 130135), (1531, 52870), (1555, 52054), (3062, 26435), (3110, 26027), (5287, 15310), (7655, 10574)]