65159540

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{45887}}^1$

素因数の和:45967

約数の個数: 24

約数和(自身を含む): 138765312

約数和(自身を除く): 73605772

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 45887, 91774, 183548, 229435, 458870, 917740, 3257977, 6515954, 13031908, 16289885, 32579770, 65159540]

約数ペア:

[(1, 65159540), (2, 32579770), (4, 16289885), (5, 13031908), (10, 6515954), (20, 3257977), (71, 917740), (142, 458870), (284, 229435), (355, 183548), (710, 91774), (1420, 45887)]