15848240

素因数分解:

$2^4\times 5^1\times {\mathrm{397}}^1\times {\mathrm{499}}^1$

素因数の和:909

約数の個数: 40

約数和(自身を含む): 37014000

約数和(自身を除く): 21165760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 397, 499, 794, 998, 1588, 1985, 1996, 2495, 3176, 3970, 3992, 4990, 6352, 7940, 7984, 9980, 15880, 19960, 31760, 39920, 198103, 396206, 792412, 990515, 1584824, 1981030, 3169648, 3962060, 7924120, 15848240]

約数ペア:

[(1, 15848240), (2, 7924120), (4, 3962060), (5, 3169648), (8, 1981030), (10, 1584824), (16, 990515), (20, 792412), (40, 396206), (80, 198103), (397, 39920), (499, 31760), (794, 19960), (998, 15880), (1588, 9980), (1985, 7984), (1996, 7940), (2495, 6352), (3176, 4990), (3970, 3992)]