1125640

素因数分解:

$2^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{263}}^1$

素因数の和:381

約数の個数: 32

約数和(自身を含む): 2566080

約数和(自身を除く): 1440440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 107, 214, 263, 428, 526, 535, 856, 1052, 1070, 1315, 2104, 2140, 2630, 4280, 5260, 10520, 28141, 56282, 112564, 140705, 225128, 281410, 562820, 1125640]

約数ペア:

[(1, 1125640), (2, 562820), (4, 281410), (5, 225128), (8, 140705), (10, 112564), (20, 56282), (40, 28141), (107, 10520), (214, 5260), (263, 4280), (428, 2630), (526, 2140), (535, 2104), (856, 1315), (1052, 1070)]