8238800

素因数分解:

$2^4\times 5^2\times {\mathrm{43}}^1\times {\mathrm{479}}^1$

素因数の和:540

約数の個数: 60

約数和(自身を含む): 20296320

約数和(自身を除く): 12057520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 43, 50, 80, 86, 100, 172, 200, 215, 344, 400, 430, 479, 688, 860, 958, 1075, 1720, 1916, 2150, 2395, 3440, 3832, 4300, 4790, 7664, 8600, 9580, 11975, 17200, 19160, 20597, 23950, 38320, 41194, 47900, 82388, 95800, 102985, 164776, 191600, 205970, 329552, 411940, 514925, 823880, 1029850, 1647760, 2059700, 4119400, 8238800]

約数ペア:

[(1, 8238800), (2, 4119400), (4, 2059700), (5, 1647760), (8, 1029850), (10, 823880), (16, 514925), (20, 411940), (25, 329552), (40, 205970), (43, 191600), (50, 164776), (80, 102985), (86, 95800), (100, 82388), (172, 47900), (200, 41194), (215, 38320), (344, 23950), (400, 20597), (430, 19160), (479, 17200), (688, 11975), (860, 9580), (958, 8600), (1075, 7664), (1720, 4790), (1916, 4300), (2150, 3832), (2395, 3440)]