64157780

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{54371}}^1$

素因数の和:54439

約数の個数: 24

約数和(自身を含む): 137017440

約数和(自身を除く): 72859660

約数列:

[1, 2, 4, 5, 10, 20, 59, 118, 236, 295, 590, 1180, 54371, 108742, 217484, 271855, 543710, 1087420, 3207889, 6415778, 12831556, 16039445, 32078890, 64157780]

約数ペア:

[(1, 64157780), (2, 32078890), (4, 16039445), (5, 12831556), (10, 6415778), (20, 3207889), (59, 1087420), (118, 543710), (236, 271855), (295, 217484), (590, 108742), (1180, 54371)]