51407480

素因数分解:

$2^3\times 5^1\times {\mathrm{193}}^1\times {\mathrm{6659}}^1$

素因数の和:6863

約数の個数: 32

約数和(自身を含む): 116283600

約数和(自身を除く): 64876120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 193, 386, 772, 965, 1544, 1930, 3860, 6659, 7720, 13318, 26636, 33295, 53272, 66590, 133180, 266360, 1285187, 2570374, 5140748, 6425935, 10281496, 12851870, 25703740, 51407480]

約数ペア:

[(1, 51407480), (2, 25703740), (4, 12851870), (5, 10281496), (8, 6425935), (10, 5140748), (20, 2570374), (40, 1285187), (193, 266360), (386, 133180), (772, 66590), (965, 53272), (1544, 33295), (1930, 26636), (3860, 13318), (6659, 7720)]