25627400

素因数分解:

$2^3\times 5^2\times {\mathrm{97}}^1\times {\mathrm{1321}}^1$

素因数の和:1434

約数の個数: 48

約数和(自身を含む): 60243540

約数和(自身を除く): 34616140

約数列:

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

約数ペア:

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