10170020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{72643}}^1$

素因数の和:72659

約数の個数: 24

約数和(自身を含む): 24408384

約数和(自身を除く): 14238364

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 72643, 145286, 290572, 363215, 508501, 726430, 1017002, 1452860, 2034004, 2542505, 5085010, 10170020]

約数ペア:

[(1, 10170020), (2, 5085010), (4, 2542505), (5, 2034004), (7, 1452860), (10, 1017002), (14, 726430), (20, 508501), (28, 363215), (35, 290572), (70, 145286), (140, 72643)]