9121720

素因数分解:

$2^3\times 5^1\times {\mathrm{457}}^1\times {\mathrm{499}}^1$

素因数の和:967

約数の個数: 32

約数和(自身を含む): 20610000

約数和(自身を除く): 11488280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 457, 499, 914, 998, 1828, 1996, 2285, 2495, 3656, 3992, 4570, 4990, 9140, 9980, 18280, 19960, 228043, 456086, 912172, 1140215, 1824344, 2280430, 4560860, 9121720]

約数ペア:

[(1, 9121720), (2, 4560860), (4, 2280430), (5, 1824344), (8, 1140215), (10, 912172), (20, 456086), (40, 228043), (457, 19960), (499, 18280), (914, 9980), (998, 9140), (1828, 4990), (1996, 4570), (2285, 3992), (2495, 3656)]