12421580

素因数分解:

$2^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{3121}}^1$

素因数の和:3329

約数の個数: 24

約数和(自身を含む): 26224800

約数和(自身を除く): 13803220

約数列:

[1, 2, 4, 5, 10, 20, 199, 398, 796, 995, 1990, 3121, 3980, 6242, 12484, 15605, 31210, 62420, 621079, 1242158, 2484316, 3105395, 6210790, 12421580]

約数ペア:

[(1, 12421580), (2, 6210790), (4, 3105395), (5, 2484316), (10, 1242158), (20, 621079), (199, 62420), (398, 31210), (796, 15605), (995, 12484), (1990, 6242), (3121, 3980)]