57810520

素因数分解:

$2^3\times 5^1\times {\mathrm{223}}^1\times {\mathrm{6481}}^1$

素因数の和:6715

約数の個数: 32

約数和(自身を含む): 130677120

約数和(自身を除く): 72866600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 223, 446, 892, 1115, 1784, 2230, 4460, 6481, 8920, 12962, 25924, 32405, 51848, 64810, 129620, 259240, 1445263, 2890526, 5781052, 7226315, 11562104, 14452630, 28905260, 57810520]

約数ペア:

[(1, 57810520), (2, 28905260), (4, 14452630), (5, 11562104), (8, 7226315), (10, 5781052), (20, 2890526), (40, 1445263), (223, 259240), (446, 129620), (892, 64810), (1115, 51848), (1784, 32405), (2230, 25924), (4460, 12962), (6481, 8920)]