12317980

素因数分解:

$2^2\times 5^1\times {\mathrm{431}}^1\times {\mathrm{1429}}^1$

素因数の和:1869

約数の個数: 24

約数和(自身を含む): 25945920

約数和(自身を除く): 13627940

約数列:

[1, 2, 4, 5, 10, 20, 431, 862, 1429, 1724, 2155, 2858, 4310, 5716, 7145, 8620, 14290, 28580, 615899, 1231798, 2463596, 3079495, 6158990, 12317980]

約数ペア:

[(1, 12317980), (2, 6158990), (4, 3079495), (5, 2463596), (10, 1231798), (20, 615899), (431, 28580), (862, 14290), (1429, 8620), (1724, 7145), (2155, 5716), (2858, 4310)]