21650800

素因数分解:

$2^4\times 5^2\times {\mathrm{113}}^1\times {\mathrm{479}}^1$

素因数の和:610

約数の個数: 60

約数和(自身を含む): 52585920

約数和(自身を除く): 30935120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 113, 200, 226, 400, 452, 479, 565, 904, 958, 1130, 1808, 1916, 2260, 2395, 2825, 3832, 4520, 4790, 5650, 7664, 9040, 9580, 11300, 11975, 19160, 22600, 23950, 38320, 45200, 47900, 54127, 95800, 108254, 191600, 216508, 270635, 433016, 541270, 866032, 1082540, 1353175, 2165080, 2706350, 4330160, 5412700, 10825400, 21650800]

約数ペア:

[(1, 21650800), (2, 10825400), (4, 5412700), (5, 4330160), (8, 2706350), (10, 2165080), (16, 1353175), (20, 1082540), (25, 866032), (40, 541270), (50, 433016), (80, 270635), (100, 216508), (113, 191600), (200, 108254), (226, 95800), (400, 54127), (452, 47900), (479, 45200), (565, 38320), (904, 23950), (958, 22600), (1130, 19160), (1808, 11975), (1916, 11300), (2260, 9580), (2395, 9040), (2825, 7664), (3832, 5650), (4520, 4790)]