320551472

素因数分解:

$2^4\times {\mathrm{1259}}^1\times {\mathrm{15913}}^1$

素因数の和:17180

約数の個数: 20

約数和(自身を含む): 621600840

約数和(自身を除く): 301049368

約数列:

[1, 2, 4, 8, 16, 1259, 2518, 5036, 10072, 15913, 20144, 31826, 63652, 127304, 254608, 20034467, 40068934, 80137868, 160275736, 320551472]

約数ペア:

[(1, 320551472), (2, 160275736), (4, 80137868), (8, 40068934), (16, 20034467), (1259, 254608), (2518, 127304), (5036, 63652), (10072, 31826), (15913, 20144)]