161535020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{475103}}^1$

素因数の和:475129

約数の個数: 24

約数和(自身を含む): 359178624

約数和(自身を除く): 197643604

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 475103, 950206, 1900412, 2375515, 4751030, 8076751, 9502060, 16153502, 32307004, 40383755, 80767510, 161535020]

約数ペア:

[(1, 161535020), (2, 80767510), (4, 40383755), (5, 32307004), (10, 16153502), (17, 9502060), (20, 8076751), (34, 4751030), (68, 2375515), (85, 1900412), (170, 950206), (340, 475103)]