8720930

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^2\times {\mathrm{173}}^1$

素因数の和:322

約数の個数: 24

約数和(自身を含む): 16013916

約数和(自身を除く): 7292986

約数列:

[1, 2, 5, 10, 71, 142, 173, 346, 355, 710, 865, 1730, 5041, 10082, 12283, 24566, 25205, 50410, 61415, 122830, 872093, 1744186, 4360465, 8720930]

約数ペア:

[(1, 8720930), (2, 4360465), (5, 1744186), (10, 872093), (71, 122830), (142, 61415), (173, 50410), (346, 25205), (355, 24566), (710, 12283), (865, 10082), (1730, 5041)]