64696340

素因数分解:

$2^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{25471}}^1$

素因数の和:25607

約数の個数: 24

約数和(自身を含む): 136937472

約数和(自身を除く): 72241132

約数列:

[1, 2, 4, 5, 10, 20, 127, 254, 508, 635, 1270, 2540, 25471, 50942, 101884, 127355, 254710, 509420, 3234817, 6469634, 12939268, 16174085, 32348170, 64696340]

約数ペア:

[(1, 64696340), (2, 32348170), (4, 16174085), (5, 12939268), (10, 6469634), (20, 3234817), (127, 509420), (254, 254710), (508, 127355), (635, 101884), (1270, 50942), (2540, 25471)]