8528440

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{2111}}^1$

素因数の和:2223

約数の個数: 32

約数和(自身を含む): 19388160

約数和(自身を除く): 10859720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 808, 1010, 2020, 2111, 4040, 4222, 8444, 10555, 16888, 21110, 42220, 84440, 213211, 426422, 852844, 1066055, 1705688, 2132110, 4264220, 8528440]

約数ペア:

[(1, 8528440), (2, 4264220), (4, 2132110), (5, 1705688), (8, 1066055), (10, 852844), (20, 426422), (40, 213211), (101, 84440), (202, 42220), (404, 21110), (505, 16888), (808, 10555), (1010, 8444), (2020, 4222), (2111, 4040)]