31885240

素因数分解:

$2^3\times 5^1\times {\mathrm{797131}}^1$

素因数の和:797142

約数の個数: 16

約数和(自身を含む): 71741880

約数和(自身を除く): 39856640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 797131, 1594262, 3188524, 3985655, 6377048, 7971310, 15942620, 31885240]

約数ペア:

[(1, 31885240), (2, 15942620), (4, 7971310), (5, 6377048), (8, 3985655), (10, 3188524), (20, 1594262), (40, 797131)]