49909400

素因数分解:

$2^3\times 5^2\times {\mathrm{257}}^1\times {\mathrm{971}}^1$

素因数の和:1244

約数の個数: 48

約数和(自身を含む): 116610840

約数和(自身を除く): 66701440

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 257, 514, 971, 1028, 1285, 1942, 2056, 2570, 3884, 4855, 5140, 6425, 7768, 9710, 10280, 12850, 19420, 24275, 25700, 38840, 48550, 51400, 97100, 194200, 249547, 499094, 998188, 1247735, 1996376, 2495470, 4990940, 6238675, 9981880, 12477350, 24954700, 49909400]

約数ペア:

[(1, 49909400), (2, 24954700), (4, 12477350), (5, 9981880), (8, 6238675), (10, 4990940), (20, 2495470), (25, 1996376), (40, 1247735), (50, 998188), (100, 499094), (200, 249547), (257, 194200), (514, 97100), (971, 51400), (1028, 48550), (1285, 38840), (1942, 25700), (2056, 24275), (2570, 19420), (3884, 12850), (4855, 10280), (5140, 9710), (6425, 7768)]