65401940

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{2851}}^1$

素因数の和:2928

約数の個数: 48

約数和(自身を含む): 145657344

約数和(自身を除く): 80255404

約数列:

[1, 2, 4, 5, 10, 20, 31, 37, 62, 74, 124, 148, 155, 185, 310, 370, 620, 740, 1147, 2294, 2851, 4588, 5702, 5735, 11404, 11470, 14255, 22940, 28510, 57020, 88381, 105487, 176762, 210974, 353524, 421948, 441905, 527435, 883810, 1054870, 1767620, 2109740, 3270097, 6540194, 13080388, 16350485, 32700970, 65401940]

約数ペア:

[(1, 65401940), (2, 32700970), (4, 16350485), (5, 13080388), (10, 6540194), (20, 3270097), (31, 2109740), (37, 1767620), (62, 1054870), (74, 883810), (124, 527435), (148, 441905), (155, 421948), (185, 353524), (310, 210974), (370, 176762), (620, 105487), (740, 88381), (1147, 57020), (2294, 28510), (2851, 22940), (4588, 14255), (5702, 11470), (5735, 11404)]