25190120

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{13399}}^1$

素因数の和:13457

約数の個数: 32

約数和(自身を含む): 57888000

約数和(自身を除く): 32697880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 13399, 26798, 53596, 66995, 107192, 133990, 267980, 535960, 629753, 1259506, 2519012, 3148765, 5038024, 6297530, 12595060, 25190120]

約数ペア:

[(1, 25190120), (2, 12595060), (4, 6297530), (5, 5038024), (8, 3148765), (10, 2519012), (20, 1259506), (40, 629753), (47, 535960), (94, 267980), (188, 133990), (235, 107192), (376, 66995), (470, 53596), (940, 26798), (1880, 13399)]