1038280

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{257}}^1$

素因数の和:369

約数の個数: 32

約数和(自身を含む): 2368440

約数和(自身を除く): 1330160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 257, 404, 505, 514, 808, 1010, 1028, 1285, 2020, 2056, 2570, 4040, 5140, 10280, 25957, 51914, 103828, 129785, 207656, 259570, 519140, 1038280]

約数ペア:

[(1, 1038280), (2, 519140), (4, 259570), (5, 207656), (8, 129785), (10, 103828), (20, 51914), (40, 25957), (101, 10280), (202, 5140), (257, 4040), (404, 2570), (505, 2056), (514, 2020), (808, 1285), (1010, 1028)]