8266253780

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{204509}}^1$

素因数の和:204608

約数の個数: 48

約数和(自身を含む): 18140855040

約数和(自身を除く): 9874601260

約数列:

[1, 2, 4, 5, 10, 20, 43, 47, 86, 94, 172, 188, 215, 235, 430, 470, 860, 940, 2021, 4042, 8084, 10105, 20210, 40420, 204509, 409018, 818036, 1022545, 2045090, 4090180, 8793887, 9611923, 17587774, 19223846, 35175548, 38447692, 43969435, 48059615, 87938870, 96119230, 175877740, 192238460, 413312689, 826625378, 1653250756, 2066563445, 4133126890, 8266253780]

約数ペア:

[(1, 8266253780), (2, 4133126890), (4, 2066563445), (5, 1653250756), (10, 826625378), (20, 413312689), (43, 192238460), (47, 175877740), (86, 96119230), (94, 87938870), (172, 48059615), (188, 43969435), (215, 38447692), (235, 35175548), (430, 19223846), (470, 17587774), (860, 9611923), (940, 8793887), (2021, 4090180), (4042, 2045090), (8084, 1022545), (10105, 818036), (20210, 409018), (40420, 204509)]