15978880

素因数分解:

$2^7\times 5^1\times {\mathrm{24967}}^1$

素因数の和:24986

約数の個数: 32

約数和(自身を含む): 38201040

約数和(自身を除く): 22222160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 24967, 49934, 99868, 124835, 199736, 249670, 399472, 499340, 798944, 998680, 1597888, 1997360, 3195776, 3994720, 7989440, 15978880]

約数ペア:

[(1, 15978880), (2, 7989440), (4, 3994720), (5, 3195776), (8, 1997360), (10, 1597888), (16, 998680), (20, 798944), (32, 499340), (40, 399472), (64, 249670), (80, 199736), (128, 124835), (160, 99868), (320, 49934), (640, 24967)]