78869260

素因数分解:

$2^2\times 5^1\times {\mathrm{1213}}^1\times {\mathrm{3251}}^1$

素因数の和:4473

約数の個数: 24

約数和(自身を含む): 165812976

約数和(自身を除く): 86943716

約数列:

[1, 2, 4, 5, 10, 20, 1213, 2426, 3251, 4852, 6065, 6502, 12130, 13004, 16255, 24260, 32510, 65020, 3943463, 7886926, 15773852, 19717315, 39434630, 78869260]

約数ペア:

[(1, 78869260), (2, 39434630), (4, 19717315), (5, 15773852), (10, 7886926), (20, 3943463), (1213, 65020), (2426, 32510), (3251, 24260), (4852, 16255), (6065, 13004), (6502, 12130)]