28784110

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^2\times {\mathrm{571}}^1$

素因数の和:720

約数の個数: 24

約数和(自身を含む): 52643448

約数和(自身を除く): 23859338

約数列:

[1, 2, 5, 10, 71, 142, 355, 571, 710, 1142, 2855, 5041, 5710, 10082, 25205, 40541, 50410, 81082, 202705, 405410, 2878411, 5756822, 14392055, 28784110]

約数ペア:

[(1, 28784110), (2, 14392055), (5, 5756822), (10, 2878411), (71, 405410), (142, 202705), (355, 81082), (571, 50410), (710, 40541), (1142, 25205), (2855, 10082), (5041, 5710)]