565240

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1087}}^1$

素因数の和:1111

約数の個数: 32

約数和(自身を含む): 1370880

約数和(自身を除く): 805640

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 1087, 2174, 4348, 5435, 8696, 10870, 14131, 21740, 28262, 43480, 56524, 70655, 113048, 141310, 282620, 565240]

約数ペア:

[(1, 565240), (2, 282620), (4, 141310), (5, 113048), (8, 70655), (10, 56524), (13, 43480), (20, 28262), (26, 21740), (40, 14131), (52, 10870), (65, 8696), (104, 5435), (130, 4348), (260, 2174), (520, 1087)]