28742620

素因数分解:

$2^2\times 5^1\times {\mathrm{311}}^1\times {\mathrm{4621}}^1$

素因数の和:4941

約数の個数: 24

約数和(自身を含む): 60566688

約数和(自身を除く): 31824068

約数列:

[1, 2, 4, 5, 10, 20, 311, 622, 1244, 1555, 3110, 4621, 6220, 9242, 18484, 23105, 46210, 92420, 1437131, 2874262, 5748524, 7185655, 14371310, 28742620]

約数ペア:

[(1, 28742620), (2, 14371310), (4, 7185655), (5, 5748524), (10, 2874262), (20, 1437131), (311, 92420), (622, 46210), (1244, 23105), (1555, 18484), (3110, 9242), (4621, 6220)]