2015013020

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{3250021}}^1$

素因数の和:3250061

約数の個数: 24

約数和(自身を含む): 4368029568

約数和(自身を除く): 2353016548

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 3250021, 6500042, 13000084, 16250105, 32500210, 65000420, 100750651, 201501302, 403002604, 503753255, 1007506510, 2015013020]

約数ペア:

[(1, 2015013020), (2, 1007506510), (4, 503753255), (5, 403002604), (10, 201501302), (20, 100750651), (31, 65000420), (62, 32500210), (124, 16250105), (155, 13000084), (310, 6500042), (620, 3250021)]