12591640

素因数分解:

$2^3\times 5^1\times {\mathrm{433}}^1\times {\mathrm{727}}^1$

素因数の和:1171

約数の個数: 32

約数和(自身を含む): 28435680

約数和(自身を除く): 15844040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 433, 727, 866, 1454, 1732, 2165, 2908, 3464, 3635, 4330, 5816, 7270, 8660, 14540, 17320, 29080, 314791, 629582, 1259164, 1573955, 2518328, 3147910, 6295820, 12591640]

約数ペア:

[(1, 12591640), (2, 6295820), (4, 3147910), (5, 2518328), (8, 1573955), (10, 1259164), (20, 629582), (40, 314791), (433, 29080), (727, 17320), (866, 14540), (1454, 8660), (1732, 7270), (2165, 5816), (2908, 4330), (3464, 3635)]