18051400

素因数分解:

$2^3\times 5^2\times {\mathrm{43}}^1\times {\mathrm{2099}}^1$

素因数の和:2158

約数の個数: 48

約数和(自身を含む): 42966000

約数和(自身を除く): 24914600

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 43, 50, 86, 100, 172, 200, 215, 344, 430, 860, 1075, 1720, 2099, 2150, 4198, 4300, 8396, 8600, 10495, 16792, 20990, 41980, 52475, 83960, 90257, 104950, 180514, 209900, 361028, 419800, 451285, 722056, 902570, 1805140, 2256425, 3610280, 4512850, 9025700, 18051400]

約数ペア:

[(1, 18051400), (2, 9025700), (4, 4512850), (5, 3610280), (8, 2256425), (10, 1805140), (20, 902570), (25, 722056), (40, 451285), (43, 419800), (50, 361028), (86, 209900), (100, 180514), (172, 104950), (200, 90257), (215, 83960), (344, 52475), (430, 41980), (860, 20990), (1075, 16792), (1720, 10495), (2099, 8600), (2150, 8396), (4198, 4300)]