66495620

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{107251}}^1$

素因数の和:107291

約数の個数: 24

約数和(自身を含む): 144146688

約数和(自身を除く): 77651068

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 107251, 214502, 429004, 536255, 1072510, 2145020, 3324781, 6649562, 13299124, 16623905, 33247810, 66495620]

約数ペア:

[(1, 66495620), (2, 33247810), (4, 16623905), (5, 13299124), (10, 6649562), (20, 3324781), (31, 2145020), (62, 1072510), (124, 536255), (155, 429004), (310, 214502), (620, 107251)]