201664580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{775633}}^1$

素因数の和:775655

約数の個数: 24

約数和(自身を含む): 456072792

約数和(自身を除く): 254408212

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 775633, 1551266, 3102532, 3878165, 7756330, 10083229, 15512660, 20166458, 40332916, 50416145, 100832290, 201664580]

約数ペア:

[(1, 201664580), (2, 100832290), (4, 50416145), (5, 40332916), (10, 20166458), (13, 15512660), (20, 10083229), (26, 7756330), (52, 3878165), (65, 3102532), (130, 1551266), (260, 775633)]