12388780

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{7841}}^1$

素因数の和:7929

約数の個数: 24

約数和(自身を含む): 26349120

約数和(自身を除く): 13960340

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 7841, 15682, 31364, 39205, 78410, 156820, 619439, 1238878, 2477756, 3097195, 6194390, 12388780]

約数ペア:

[(1, 12388780), (2, 6194390), (4, 3097195), (5, 2477756), (10, 1238878), (20, 619439), (79, 156820), (158, 78410), (316, 39205), (395, 31364), (790, 15682), (1580, 7841)]