13380275

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1657}}^1$

素因数の和:1703

約数の個数: 24

約数和(自身を含む): 18503280

約数和(自身を除く): 5123005

約数列:

[1, 5, 17, 19, 25, 85, 95, 323, 425, 475, 1615, 1657, 8075, 8285, 28169, 31483, 41425, 140845, 157415, 535211, 704225, 787075, 2676055, 13380275]

約数ペア:

[(1, 13380275), (5, 2676055), (17, 787075), (19, 704225), (25, 535211), (85, 157415), (95, 140845), (323, 41425), (425, 31483), (475, 28169), (1615, 8285), (1657, 8075)]