81692360

素因数分解:

$2^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{19087}}^1$

素因数の和:19205

約数の個数: 32

約数和(自身を含む): 185535360

約数和(自身を除く): 103843000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 107, 214, 428, 535, 856, 1070, 2140, 4280, 19087, 38174, 76348, 95435, 152696, 190870, 381740, 763480, 2042309, 4084618, 8169236, 10211545, 16338472, 20423090, 40846180, 81692360]

約数ペア:

[(1, 81692360), (2, 40846180), (4, 20423090), (5, 16338472), (8, 10211545), (10, 8169236), (20, 4084618), (40, 2042309), (107, 763480), (214, 381740), (428, 190870), (535, 152696), (856, 95435), (1070, 76348), (2140, 38174), (4280, 19087)]