804923960

素因数分解:

$2^3\times 5^1\times {\mathrm{20123099}}^1$

素因数の和:20123110

約数の個数: 16

約数和(自身を含む): 1811079000

約数和(自身を除く): 1006155040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 20123099, 40246198, 80492396, 100615495, 160984792, 201230990, 402461980, 804923960]

約数ペア:

[(1, 804923960), (2, 402461980), (4, 201230990), (5, 160984792), (8, 100615495), (10, 80492396), (20, 40246198), (40, 20123099)]