72707620

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{27751}}^1$

素因数の和:27891

約数の個数: 24

約数和(自身を含む): 153857088

約数和(自身を除く): 81149468

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 27751, 55502, 111004, 138755, 277510, 555020, 3635381, 7270762, 14541524, 18176905, 36353810, 72707620]

約数ペア:

[(1, 72707620), (2, 36353810), (4, 18176905), (5, 14541524), (10, 7270762), (20, 3635381), (131, 555020), (262, 277510), (524, 138755), (655, 111004), (1310, 55502), (2620, 27751)]