66692540

素因数分解:

$2^2\times 5^1\times {\mathrm{281}}^1\times {\mathrm{11867}}^1$

素因数の和:12157

約数の個数: 24

約数和(自身を含む): 140564592

約数和(自身を除く): 73872052

約数列:

[1, 2, 4, 5, 10, 20, 281, 562, 1124, 1405, 2810, 5620, 11867, 23734, 47468, 59335, 118670, 237340, 3334627, 6669254, 13338508, 16673135, 33346270, 66692540]

約数ペア:

[(1, 66692540), (2, 33346270), (4, 16673135), (5, 13338508), (10, 6669254), (20, 3334627), (281, 237340), (562, 118670), (1124, 59335), (1405, 47468), (2810, 23734), (5620, 11867)]