5280656420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{20310217}}^1$

素因数の和:20310239

約数の個数: 24

約数和(自身を含む): 11942408184

約数和(自身を除く): 6661751764

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 20310217, 40620434, 81240868, 101551085, 203102170, 264032821, 406204340, 528065642, 1056131284, 1320164105, 2640328210, 5280656420]

約数ペア:

[(1, 5280656420), (2, 2640328210), (4, 1320164105), (5, 1056131284), (10, 528065642), (13, 406204340), (20, 264032821), (26, 203102170), (52, 101551085), (65, 81240868), (130, 40620434), (260, 20310217)]