12889040

素因数分解:

$2^4\times 5^1\times {\mathrm{367}}^1\times {\mathrm{439}}^1$

素因数の和:819

約数の個数: 40

約数和(自身を含む): 30117120

約数和(自身を除く): 17228080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 367, 439, 734, 878, 1468, 1756, 1835, 2195, 2936, 3512, 3670, 4390, 5872, 7024, 7340, 8780, 14680, 17560, 29360, 35120, 161113, 322226, 644452, 805565, 1288904, 1611130, 2577808, 3222260, 6444520, 12889040]

約数ペア:

[(1, 12889040), (2, 6444520), (4, 3222260), (5, 2577808), (8, 1611130), (10, 1288904), (16, 805565), (20, 644452), (40, 322226), (80, 161113), (367, 35120), (439, 29360), (734, 17560), (878, 14680), (1468, 8780), (1756, 7340), (1835, 7024), (2195, 5872), (2936, 4390), (3512, 3670)]