12312890

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{39719}}^1$

素因数の和:39757

約数の個数: 16

約数和(自身を含む): 22878720

約数和(自身を除く): 10565830

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 39719, 79438, 198595, 397190, 1231289, 2462578, 6156445, 12312890]

約数ペア:

[(1, 12312890), (2, 6156445), (5, 2462578), (10, 1231289), (31, 397190), (62, 198595), (155, 79438), (310, 39719)]