72485020

素因数分解:

$2^2\times 5^1\times {\mathrm{353}}^1\times {\mathrm{10267}}^1$

素因数の和:10629

約数の個数: 24

約数和(自身を含む): 152664624

約数和(自身を除く): 80179604

約数列:

[1, 2, 4, 5, 10, 20, 353, 706, 1412, 1765, 3530, 7060, 10267, 20534, 41068, 51335, 102670, 205340, 3624251, 7248502, 14497004, 18121255, 36242510, 72485020]

約数ペア:

[(1, 72485020), (2, 36242510), (4, 18121255), (5, 14497004), (10, 7248502), (20, 3624251), (353, 205340), (706, 102670), (1412, 51335), (1765, 41068), (3530, 20534), (7060, 10267)]