65991740

素因数分解:

$2^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{25981}}^1$

素因数の和:26117

約数の個数: 24

約数和(自身を含む): 139679232

約数和(自身を除く): 73687492

約数列:

[1, 2, 4, 5, 10, 20, 127, 254, 508, 635, 1270, 2540, 25981, 51962, 103924, 129905, 259810, 519620, 3299587, 6599174, 13198348, 16497935, 32995870, 65991740]

約数ペア:

[(1, 65991740), (2, 32995870), (4, 16497935), (5, 13198348), (10, 6599174), (20, 3299587), (127, 519620), (254, 259810), (508, 129905), (635, 103924), (1270, 51962), (2540, 25981)]