51254800

素因数分解:

$2^4\times 5^2\times {\mathrm{97}}^1\times {\mathrm{1321}}^1$

素因数の和:1436

約数の個数: 60

約数和(自身を含む): 124503316

約数和(自身を除く): 73248516

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 97, 100, 194, 200, 388, 400, 485, 776, 970, 1321, 1552, 1940, 2425, 2642, 3880, 4850, 5284, 6605, 7760, 9700, 10568, 13210, 19400, 21136, 26420, 33025, 38800, 52840, 66050, 105680, 128137, 132100, 256274, 264200, 512548, 528400, 640685, 1025096, 1281370, 2050192, 2562740, 3203425, 5125480, 6406850, 10250960, 12813700, 25627400, 51254800]

約数ペア:

[(1, 51254800), (2, 25627400), (4, 12813700), (5, 10250960), (8, 6406850), (10, 5125480), (16, 3203425), (20, 2562740), (25, 2050192), (40, 1281370), (50, 1025096), (80, 640685), (97, 528400), (100, 512548), (194, 264200), (200, 256274), (388, 132100), (400, 128137), (485, 105680), (776, 66050), (970, 52840), (1321, 38800), (1552, 33025), (1940, 26420), (2425, 21136), (2642, 19400), (3880, 13210), (4850, 10568), (5284, 9700), (6605, 7760)]