72940180

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{36109}}^1$

素因数の和:36219

約数の個数: 24

約数和(自身を含む): 154695240

約数和(自身を除く): 81755060

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 36109, 72218, 144436, 180545, 361090, 722180, 3647009, 7294018, 14588036, 18235045, 36470090, 72940180]

約数ペア:

[(1, 72940180), (2, 36470090), (4, 18235045), (5, 14588036), (10, 7294018), (20, 3647009), (101, 722180), (202, 361090), (404, 180545), (505, 144436), (1010, 72218), (2020, 36109)]