282620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1087}}^1$

素因数の和:1109

約数の個数: 24

約数和(自身を含む): 639744

約数和(自身を除く): 357124

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 1087, 2174, 4348, 5435, 10870, 14131, 21740, 28262, 56524, 70655, 141310, 282620]

約数ペア:

[(1, 282620), (2, 141310), (4, 70655), (5, 56524), (10, 28262), (13, 21740), (20, 14131), (26, 10870), (52, 5435), (65, 4348), (130, 2174), (260, 1087)]