13956980

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{7841}}^1$

素因数の和:7939

約数の個数: 24

約数和(自身を含む): 29642760

約数和(自身を除く): 15685780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 7841, 15682, 31364, 39205, 78410, 156820, 697849, 1395698, 2791396, 3489245, 6978490, 13956980]

約数ペア:

[(1, 13956980), (2, 6978490), (4, 3489245), (5, 2791396), (10, 1395698), (20, 697849), (89, 156820), (178, 78410), (356, 39205), (445, 31364), (890, 15682), (1780, 7841)]