268864360

素因数分解:

$2^3\times 5^1\times {\mathrm{6721609}}^1$

素因数の和:6721620

約数の個数: 16

約数和(自身を含む): 604944900

約数和(自身を除く): 336080540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 6721609, 13443218, 26886436, 33608045, 53772872, 67216090, 134432180, 268864360]

約数ペア:

[(1, 268864360), (2, 134432180), (4, 67216090), (5, 53772872), (8, 33608045), (10, 26886436), (20, 13443218), (40, 6721609)]