65026580

素因数分解:

$2^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{21821}}^1$

素因数の和:21979

約数の個数: 24

約数和(自身を含む): 137478600

約数和(自身を除く): 72452020

約数列:

[1, 2, 4, 5, 10, 20, 149, 298, 596, 745, 1490, 2980, 21821, 43642, 87284, 109105, 218210, 436420, 3251329, 6502658, 13005316, 16256645, 32513290, 65026580]

約数ペア:

[(1, 65026580), (2, 32513290), (4, 16256645), (5, 13005316), (10, 6502658), (20, 3251329), (149, 436420), (298, 218210), (596, 109105), (745, 87284), (1490, 43642), (2980, 21821)]