87858020

素因数分解:

$2^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{17093}}^1$

素因数の和:17359

約数の個数: 24

約数和(自身を含む): 185230584

約数和(自身を除く): 97372564

約数列:

[1, 2, 4, 5, 10, 20, 257, 514, 1028, 1285, 2570, 5140, 17093, 34186, 68372, 85465, 170930, 341860, 4392901, 8785802, 17571604, 21964505, 43929010, 87858020]

約数ペア:

[(1, 87858020), (2, 43929010), (4, 21964505), (5, 17571604), (10, 8785802), (20, 4392901), (257, 341860), (514, 170930), (1028, 85465), (1285, 68372), (2570, 34186), (5140, 17093)]