77138660

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{54323}}^1$

素因数の和:54403

約数の個数: 24

約数和(自身を含む): 164275776

約数和(自身を除く): 87137116

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 54323, 108646, 217292, 271615, 543230, 1086460, 3856933, 7713866, 15427732, 19284665, 38569330, 77138660]

約数ペア:

[(1, 77138660), (2, 38569330), (4, 19284665), (5, 15427732), (10, 7713866), (20, 3856933), (71, 1086460), (142, 543230), (284, 271615), (355, 217292), (710, 108646), (1420, 54323)]