8393720

素因数分解:

$2^3\times 5^1\times {\mathrm{223}}^1\times {\mathrm{941}}^1$

素因数の和:1175

約数の個数: 32

約数和(自身を含む): 18990720

約数和(自身を除く): 10597000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 223, 446, 892, 941, 1115, 1784, 1882, 2230, 3764, 4460, 4705, 7528, 8920, 9410, 18820, 37640, 209843, 419686, 839372, 1049215, 1678744, 2098430, 4196860, 8393720]

約数ペア:

[(1, 8393720), (2, 4196860), (4, 2098430), (5, 1678744), (8, 1049215), (10, 839372), (20, 419686), (40, 209843), (223, 37640), (446, 18820), (892, 9410), (941, 8920), (1115, 7528), (1784, 4705), (1882, 4460), (2230, 3764)]