12625220

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{523}}^1$

素因数の和:620

約数の個数: 48

約数和(自身を含む): 28522368

約数和(自身を除く): 15897148

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 71, 85, 142, 170, 284, 340, 355, 523, 710, 1046, 1207, 1420, 2092, 2414, 2615, 4828, 5230, 6035, 8891, 10460, 12070, 17782, 24140, 35564, 37133, 44455, 74266, 88910, 148532, 177820, 185665, 371330, 631261, 742660, 1262522, 2525044, 3156305, 6312610, 12625220]

約数ペア:

[(1, 12625220), (2, 6312610), (4, 3156305), (5, 2525044), (10, 1262522), (17, 742660), (20, 631261), (34, 371330), (68, 185665), (71, 177820), (85, 148532), (142, 88910), (170, 74266), (284, 44455), (340, 37133), (355, 35564), (523, 24140), (710, 17782), (1046, 12070), (1207, 10460), (1420, 8891), (2092, 6035), (2414, 5230), (2615, 4828)]