61355480

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{15187}}^1$

素因数の和:15299

約数の個数: 32

約数和(自身を含む): 139425840

約数和(自身を除く): 78070360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 808, 1010, 2020, 4040, 15187, 30374, 60748, 75935, 121496, 151870, 303740, 607480, 1533887, 3067774, 6135548, 7669435, 12271096, 15338870, 30677740, 61355480]

約数ペア:

[(1, 61355480), (2, 30677740), (4, 15338870), (5, 12271096), (8, 7669435), (10, 6135548), (20, 3067774), (40, 1533887), (101, 607480), (202, 303740), (404, 151870), (505, 121496), (808, 75935), (1010, 60748), (2020, 30374), (4040, 15187)]