28308680

素因数分解:

$2^3\times 5^1\times {\mathrm{707717}}^1$

素因数の和:707728

約数の個数: 16

約数和(自身を含む): 63694620

約数和(自身を除く): 35385940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 707717, 1415434, 2830868, 3538585, 5661736, 7077170, 14154340, 28308680]

約数ペア:

[(1, 28308680), (2, 14154340), (4, 7077170), (5, 5661736), (8, 3538585), (10, 2830868), (20, 1415434), (40, 707717)]