72540220

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{35911}}^1$

素因数の和:36021

約数の個数: 24

約数和(自身を含む): 153847008

約数和(自身を除く): 81306788

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 35911, 71822, 143644, 179555, 359110, 718220, 3627011, 7254022, 14508044, 18135055, 36270110, 72540220]

約数ペア:

[(1, 72540220), (2, 36270110), (4, 18135055), (5, 14508044), (10, 7254022), (20, 3627011), (101, 718220), (202, 359110), (404, 179555), (505, 143644), (1010, 71822), (2020, 35911)]