8417840

素因数分解:

$2^4\times 5^1\times {\mathrm{139}}^1\times {\mathrm{757}}^1$

素因数の和:909

約数の個数: 40

約数和(自身を含む): 19738320

約数和(自身を除く): 11320480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 139, 278, 556, 695, 757, 1112, 1390, 1514, 2224, 2780, 3028, 3785, 5560, 6056, 7570, 11120, 12112, 15140, 30280, 60560, 105223, 210446, 420892, 526115, 841784, 1052230, 1683568, 2104460, 4208920, 8417840]

約数ペア:

[(1, 8417840), (2, 4208920), (4, 2104460), (5, 1683568), (8, 1052230), (10, 841784), (16, 526115), (20, 420892), (40, 210446), (80, 105223), (139, 60560), (278, 30280), (556, 15140), (695, 12112), (757, 11120), (1112, 7570), (1390, 6056), (1514, 5560), (2224, 3785), (2780, 3028)]