8704240

素因数分解:

$2^4\times 5^1\times {\mathrm{108803}}^1$

素因数の和:108816

約数の個数: 20

約数和(自身を含む): 20237544

約数和(自身を除く): 11533304

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 108803, 217606, 435212, 544015, 870424, 1088030, 1740848, 2176060, 4352120, 8704240]

約数ペア:

[(1, 8704240), (2, 4352120), (4, 2176060), (5, 1740848), (8, 1088030), (10, 870424), (16, 544015), (20, 435212), (40, 217606), (80, 108803)]