42211640

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{22453}}^1$

素因数の和:22511

約数の個数: 32

約数和(自身を含む): 97001280

約数和(自身を除く): 54789640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 22453, 44906, 89812, 112265, 179624, 224530, 449060, 898120, 1055291, 2110582, 4221164, 5276455, 8442328, 10552910, 21105820, 42211640]

約数ペア:

[(1, 42211640), (2, 21105820), (4, 10552910), (5, 8442328), (8, 5276455), (10, 4221164), (20, 2110582), (40, 1055291), (47, 898120), (94, 449060), (188, 224530), (235, 179624), (376, 112265), (470, 89812), (940, 44906), (1880, 22453)]