56160220

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{239}}^1\times {\mathrm{379}}^1$

素因数の和:658

約数の個数: 48

約数和(自身を含む): 122572800

約数和(自身を除く): 66412580

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 239, 310, 379, 478, 620, 758, 956, 1195, 1516, 1895, 2390, 3790, 4780, 7409, 7580, 11749, 14818, 23498, 29636, 37045, 46996, 58745, 74090, 90581, 117490, 148180, 181162, 234980, 362324, 452905, 905810, 1811620, 2808011, 5616022, 11232044, 14040055, 28080110, 56160220]

約数ペア:

[(1, 56160220), (2, 28080110), (4, 14040055), (5, 11232044), (10, 5616022), (20, 2808011), (31, 1811620), (62, 905810), (124, 452905), (155, 362324), (239, 234980), (310, 181162), (379, 148180), (478, 117490), (620, 90581), (758, 74090), (956, 58745), (1195, 46996), (1516, 37045), (1895, 29636), (2390, 23498), (3790, 14818), (4780, 11749), (7409, 7580)]