864560

素因数分解:

$2^4\times 5^1\times {\mathrm{101}}^1\times {\mathrm{107}}^1$

素因数の和:221

約数の個数: 40

約数和(自身を含む): 2048976

約数和(自身を除く): 1184416

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 101, 107, 202, 214, 404, 428, 505, 535, 808, 856, 1010, 1070, 1616, 1712, 2020, 2140, 4040, 4280, 8080, 8560, 10807, 21614, 43228, 54035, 86456, 108070, 172912, 216140, 432280, 864560]

約数ペア:

[(1, 864560), (2, 432280), (4, 216140), (5, 172912), (8, 108070), (10, 86456), (16, 54035), (20, 43228), (40, 21614), (80, 10807), (101, 8560), (107, 8080), (202, 4280), (214, 4040), (404, 2140), (428, 2020), (505, 1712), (535, 1616), (808, 1070), (856, 1010)]