158713040

素因数分解:

$2^4\times 5^1\times {\mathrm{1983913}}^1$

素因数の和:1983926

約数の個数: 20

約数和(自身を含む): 369008004

約数和(自身を除く): 210294964

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1983913, 3967826, 7935652, 9919565, 15871304, 19839130, 31742608, 39678260, 79356520, 158713040]

約数ペア:

[(1, 158713040), (2, 79356520), (4, 39678260), (5, 31742608), (8, 19839130), (10, 15871304), (16, 9919565), (20, 7935652), (40, 3967826), (80, 1983913)]