4401580

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{2179}}^1$

素因数の和:2289

約数の個数: 24

約数和(自身を含む): 9339120

約数和(自身を除く): 4937540

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 2179, 4358, 8716, 10895, 21790, 43580, 220079, 440158, 880316, 1100395, 2200790, 4401580]

約数ペア:

[(1, 4401580), (2, 2200790), (4, 1100395), (5, 880316), (10, 440158), (20, 220079), (101, 43580), (202, 21790), (404, 10895), (505, 8716), (1010, 4358), (2020, 2179)]