519140

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{257}}^1$

素因数の和:367

約数の個数: 24

約数和(自身を含む): 1105272

約数和(自身を除く): 586132

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 257, 404, 505, 514, 1010, 1028, 1285, 2020, 2570, 5140, 25957, 51914, 103828, 129785, 259570, 519140]

約数ペア:

[(1, 519140), (2, 259570), (4, 129785), (5, 103828), (10, 51914), (20, 25957), (101, 5140), (202, 2570), (257, 2020), (404, 1285), (505, 1028), (514, 1010)]