39640580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{2749}}^1$

素因数の和:2868

約数の個数: 48

約数和(自身を含む): 96096000

約数和(自身を除く): 56455420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 103, 140, 206, 412, 515, 721, 1030, 1442, 2060, 2749, 2884, 3605, 5498, 7210, 10996, 13745, 14420, 19243, 27490, 38486, 54980, 76972, 96215, 192430, 283147, 384860, 566294, 1132588, 1415735, 1982029, 2831470, 3964058, 5662940, 7928116, 9910145, 19820290, 39640580]

約数ペア:

[(1, 39640580), (2, 19820290), (4, 9910145), (5, 7928116), (7, 5662940), (10, 3964058), (14, 2831470), (20, 1982029), (28, 1415735), (35, 1132588), (70, 566294), (103, 384860), (140, 283147), (206, 192430), (412, 96215), (515, 76972), (721, 54980), (1030, 38486), (1442, 27490), (2060, 19243), (2749, 14420), (2884, 13745), (3605, 10996), (5498, 7210)]