172702520

素因数分解:

$2^3\times 5^1\times {\mathrm{1951}}^1\times {\mathrm{2213}}^1$

素因数の和:4175

約数の個数: 32

約数和(自身を含む): 388955520

約数和(自身を除く): 216253000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1951, 2213, 3902, 4426, 7804, 8852, 9755, 11065, 15608, 17704, 19510, 22130, 39020, 44260, 78040, 88520, 4317563, 8635126, 17270252, 21587815, 34540504, 43175630, 86351260, 172702520]

約数ペア:

[(1, 172702520), (2, 86351260), (4, 43175630), (5, 34540504), (8, 21587815), (10, 17270252), (20, 8635126), (40, 4317563), (1951, 88520), (2213, 78040), (3902, 44260), (4426, 39020), (7804, 22130), (8852, 19510), (9755, 17704), (11065, 15608)]