27159640

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{11131}}^1$

素因数の和:11203

約数の個数: 32

約数和(自身を含む): 62116560

約数和(自身を除く): 34956920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 11131, 22262, 44524, 55655, 89048, 111310, 222620, 445240, 678991, 1357982, 2715964, 3394955, 5431928, 6789910, 13579820, 27159640]

約数ペア:

[(1, 27159640), (2, 13579820), (4, 6789910), (5, 5431928), (8, 3394955), (10, 2715964), (20, 1357982), (40, 678991), (61, 445240), (122, 222620), (244, 111310), (305, 89048), (488, 55655), (610, 44524), (1220, 22262), (2440, 11131)]