12696980

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{20479}}^1$

素因数の和:20519

約数の個数: 24

約数和(自身を含む): 27525120

約数和(自身を除く): 14828140

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 20479, 40958, 81916, 102395, 204790, 409580, 634849, 1269698, 2539396, 3174245, 6348490, 12696980]

約数ペア:

[(1, 12696980), (2, 6348490), (4, 3174245), (5, 2539396), (10, 1269698), (20, 634849), (31, 409580), (62, 204790), (124, 102395), (155, 81916), (310, 40958), (620, 20479)]