57485240

素因数分解:

$2^3\times 5^1\times {\mathrm{311}}^1\times {\mathrm{4621}}^1$

素因数の和:4943

約数の個数: 32

約数和(自身を含む): 129785760

約数和(自身を除く): 72300520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 311, 622, 1244, 1555, 2488, 3110, 4621, 6220, 9242, 12440, 18484, 23105, 36968, 46210, 92420, 184840, 1437131, 2874262, 5748524, 7185655, 11497048, 14371310, 28742620, 57485240]

約数ペア:

[(1, 57485240), (2, 28742620), (4, 14371310), (5, 11497048), (8, 7185655), (10, 5748524), (20, 2874262), (40, 1437131), (311, 184840), (622, 92420), (1244, 46210), (1555, 36968), (2488, 23105), (3110, 18484), (4621, 12440), (6220, 9242)]