12399880

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{5849}}^1$

素因数の和:5913

約数の個数: 32

約数和(自身を含む): 28431000

約数和(自身を除く): 16031120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 5849, 11698, 23396, 29245, 46792, 58490, 116980, 233960, 309997, 619994, 1239988, 1549985, 2479976, 3099970, 6199940, 12399880]

約数ペア:

[(1, 12399880), (2, 6199940), (4, 3099970), (5, 2479976), (8, 1549985), (10, 1239988), (20, 619994), (40, 309997), (53, 233960), (106, 116980), (212, 58490), (265, 46792), (424, 29245), (530, 23396), (1060, 11698), (2120, 5849)]