13851640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31481}}^1$

素因数の和:31503

約数の個数: 32

約数和(自身を含む): 34000560

約数和(自身を除く): 20148920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 31481, 62962, 125924, 157405, 251848, 314810, 346291, 629620, 692582, 1259240, 1385164, 1731455, 2770328, 3462910, 6925820, 13851640]

約数ペア:

[(1, 13851640), (2, 6925820), (4, 3462910), (5, 2770328), (8, 1731455), (10, 1385164), (11, 1259240), (20, 692582), (22, 629620), (40, 346291), (44, 314810), (55, 251848), (88, 157405), (110, 125924), (220, 62962), (440, 31481)]