68175020

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{26021}}^1$

素因数の和:26161

約数の個数: 24

約数和(自身を含む): 144265968

約数和(自身を除く): 76090948

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 26021, 52042, 104084, 130105, 260210, 520420, 3408751, 6817502, 13635004, 17043755, 34087510, 68175020]

約数ペア:

[(1, 68175020), (2, 34087510), (4, 17043755), (5, 13635004), (10, 6817502), (20, 3408751), (131, 520420), (262, 260210), (524, 130105), (655, 104084), (1310, 52042), (2620, 26021)]