12823400

素因数分解:

$2^3\times 5^2\times {\mathrm{97}}^1\times {\mathrm{661}}^1$

素因数の和:774

約数の個数: 48

約数和(自身を含む): 30167340

約数和(自身を除く): 17343940

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 97, 100, 194, 200, 388, 485, 661, 776, 970, 1322, 1940, 2425, 2644, 3305, 3880, 4850, 5288, 6610, 9700, 13220, 16525, 19400, 26440, 33050, 64117, 66100, 128234, 132200, 256468, 320585, 512936, 641170, 1282340, 1602925, 2564680, 3205850, 6411700, 12823400]

約数ペア:

[(1, 12823400), (2, 6411700), (4, 3205850), (5, 2564680), (8, 1602925), (10, 1282340), (20, 641170), (25, 512936), (40, 320585), (50, 256468), (97, 132200), (100, 128234), (194, 66100), (200, 64117), (388, 33050), (485, 26440), (661, 19400), (776, 16525), (970, 13220), (1322, 9700), (1940, 6610), (2425, 5288), (2644, 4850), (3305, 3880)]