31162480

素因数分解:

$2^4\times 5^1\times {\mathrm{389531}}^1$

素因数の和:389544

約数の個数: 20

約数和(自身を含む): 72452952

約数和(自身を除く): 41290472

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 389531, 779062, 1558124, 1947655, 3116248, 3895310, 6232496, 7790620, 15581240, 31162480]

約数ペア:

[(1, 31162480), (2, 15581240), (4, 7790620), (5, 6232496), (8, 3895310), (10, 3116248), (16, 1947655), (20, 1558124), (40, 779062), (80, 389531)]