40016620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{193}}^1\times {\mathrm{1481}}^1$

素因数の和:1690

約数の個数: 48

約数和(自身を含む): 96602688

約数和(自身を除く): 56586068

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 193, 386, 772, 965, 1351, 1481, 1930, 2702, 2962, 3860, 5404, 5924, 6755, 7405, 10367, 13510, 14810, 20734, 27020, 29620, 41468, 51835, 103670, 207340, 285833, 571666, 1143332, 1429165, 2000831, 2858330, 4001662, 5716660, 8003324, 10004155, 20008310, 40016620]

約数ペア:

[(1, 40016620), (2, 20008310), (4, 10004155), (5, 8003324), (7, 5716660), (10, 4001662), (14, 2858330), (20, 2000831), (28, 1429165), (35, 1143332), (70, 571666), (140, 285833), (193, 207340), (386, 103670), (772, 51835), (965, 41468), (1351, 29620), (1481, 27020), (1930, 20734), (2702, 14810), (2962, 13510), (3860, 10367), (5404, 7405), (5924, 6755)]