1938009020

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{3125821}}^1$

素因数の和:3125861

約数の個数: 24

約数和(自身を含む): 4201104768

約数和(自身を除く): 2263095748

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 3125821, 6251642, 12503284, 15629105, 31258210, 62516420, 96900451, 193800902, 387601804, 484502255, 969004510, 1938009020]

約数ペア:

[(1, 1938009020), (2, 969004510), (4, 484502255), (5, 387601804), (10, 193800902), (20, 96900451), (31, 62516420), (62, 31258210), (124, 15629105), (155, 12503284), (310, 6251642), (620, 3125821)]