8393680

素因数分解:

$2^4\times 5^1\times {\mathrm{239}}^1\times {\mathrm{439}}^1$

素因数の和:691

約数の個数: 40

約数和(自身を含む): 19641600

約数和(自身を除く): 11247920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 239, 439, 478, 878, 956, 1195, 1756, 1912, 2195, 2390, 3512, 3824, 4390, 4780, 7024, 8780, 9560, 17560, 19120, 35120, 104921, 209842, 419684, 524605, 839368, 1049210, 1678736, 2098420, 4196840, 8393680]

約数ペア:

[(1, 8393680), (2, 4196840), (4, 2098420), (5, 1678736), (8, 1049210), (10, 839368), (16, 524605), (20, 419684), (40, 209842), (80, 104921), (239, 35120), (439, 19120), (478, 17560), (878, 9560), (956, 8780), (1195, 7024), (1756, 4780), (1912, 4390), (2195, 3824), (2390, 3512)]