268804531640

素因数分解:

$2^3\times 5^1\times {\mathrm{6720113291}}^1$

素因数の和:6720113302

約数の個数: 16

約数和(自身を含む): 604810196280

約数和(自身を除く): 336005664640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 6720113291, 13440226582, 26880453164, 33600566455, 53760906328, 67201132910, 134402265820, 268804531640]

約数ペア:

[(1, 268804531640), (2, 134402265820), (4, 67201132910), (5, 53760906328), (8, 33600566455), (10, 26880453164), (20, 13440226582), (40, 6720113291)]