12965540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{2503}}^1$

素因数の和:2556

約数の個数: 48

約数和(自身を含む): 31971072

約数和(自身を除く): 19005532

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 70, 74, 140, 148, 185, 259, 370, 518, 740, 1036, 1295, 2503, 2590, 5006, 5180, 10012, 12515, 17521, 25030, 35042, 50060, 70084, 87605, 92611, 175210, 185222, 350420, 370444, 463055, 648277, 926110, 1296554, 1852220, 2593108, 3241385, 6482770, 12965540]

約数ペア:

[(1, 12965540), (2, 6482770), (4, 3241385), (5, 2593108), (7, 1852220), (10, 1296554), (14, 926110), (20, 648277), (28, 463055), (35, 370444), (37, 350420), (70, 185222), (74, 175210), (140, 92611), (148, 87605), (185, 70084), (259, 50060), (370, 35042), (518, 25030), (740, 17521), (1036, 12515), (1295, 10012), (2503, 5180), (2590, 5006)]