56375980

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{1151}}^1$

素因数の和:1270

約数の個数: 48

約数和(自身を含む): 123863040

約数和(自身を除く): 67487060

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 79, 124, 155, 158, 310, 316, 395, 620, 790, 1151, 1580, 2302, 2449, 4604, 4898, 5755, 9796, 11510, 12245, 23020, 24490, 35681, 48980, 71362, 90929, 142724, 178405, 181858, 356810, 363716, 454645, 713620, 909290, 1818580, 2818799, 5637598, 11275196, 14093995, 28187990, 56375980]

約数ペア:

[(1, 56375980), (2, 28187990), (4, 14093995), (5, 11275196), (10, 5637598), (20, 2818799), (31, 1818580), (62, 909290), (79, 713620), (124, 454645), (155, 363716), (158, 356810), (310, 181858), (316, 178405), (395, 142724), (620, 90929), (790, 71362), (1151, 48980), (1580, 35681), (2302, 24490), (2449, 23020), (4604, 12245), (4898, 11510), (5755, 9796)]