249388520

素因数分解:

$2^3\times 5^1\times {\mathrm{6234713}}^1$

素因数の和:6234724

約数の個数: 16

約数和(自身を含む): 561124260

約数和(自身を除く): 311735740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 6234713, 12469426, 24938852, 31173565, 49877704, 62347130, 124694260, 249388520]

約数ペア:

[(1, 249388520), (2, 124694260), (4, 62347130), (5, 49877704), (8, 31173565), (10, 24938852), (20, 12469426), (40, 6234713)]