184040

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1$

素因数の和:161

約数の個数: 32

約数和(自身を含む): 427680

約数和(自身を除く): 243640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 107, 172, 214, 215, 344, 428, 430, 535, 856, 860, 1070, 1720, 2140, 4280, 4601, 9202, 18404, 23005, 36808, 46010, 92020, 184040]

約数ペア:

[(1, 184040), (2, 92020), (4, 46010), (5, 36808), (8, 23005), (10, 18404), (20, 9202), (40, 4601), (43, 4280), (86, 2140), (107, 1720), (172, 1070), (214, 860), (215, 856), (344, 535), (428, 430)]