51397900

素因数分解:

$2^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{11953}}^1$

素因数の和:12010

約数の個数: 36

約数和(自身を含む): 114136792

約数和(自身を除く): 62738892

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 86, 100, 172, 215, 430, 860, 1075, 2150, 4300, 11953, 23906, 47812, 59765, 119530, 239060, 298825, 513979, 597650, 1027958, 1195300, 2055916, 2569895, 5139790, 10279580, 12849475, 25698950, 51397900]

約数ペア:

[(1, 51397900), (2, 25698950), (4, 12849475), (5, 10279580), (10, 5139790), (20, 2569895), (25, 2055916), (43, 1195300), (50, 1027958), (86, 597650), (100, 513979), (172, 298825), (215, 239060), (430, 119530), (860, 59765), (1075, 47812), (2150, 23906), (4300, 11953)]