39669880

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{21101}}^1$

素因数の和:21159

約数の個数: 32

約数和(自身を含む): 91160640

約数和(自身を除く): 51490760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 21101, 42202, 84404, 105505, 168808, 211010, 422020, 844040, 991747, 1983494, 3966988, 4958735, 7933976, 9917470, 19834940, 39669880]

約数ペア:

[(1, 39669880), (2, 19834940), (4, 9917470), (5, 7933976), (8, 4958735), (10, 3966988), (20, 1983494), (40, 991747), (47, 844040), (94, 422020), (188, 211010), (235, 168808), (376, 105505), (470, 84404), (940, 42202), (1880, 21101)]