25646800

素因数分解:

$2^4\times 5^2\times {\mathrm{97}}^1\times {\mathrm{661}}^1$

素因数の和:776

約数の個数: 60

約数和(自身を含む): 62345836

約数和(自身を除く): 36699036

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 97, 100, 194, 200, 388, 400, 485, 661, 776, 970, 1322, 1552, 1940, 2425, 2644, 3305, 3880, 4850, 5288, 6610, 7760, 9700, 10576, 13220, 16525, 19400, 26440, 33050, 38800, 52880, 64117, 66100, 128234, 132200, 256468, 264400, 320585, 512936, 641170, 1025872, 1282340, 1602925, 2564680, 3205850, 5129360, 6411700, 12823400, 25646800]

約数ペア:

[(1, 25646800), (2, 12823400), (4, 6411700), (5, 5129360), (8, 3205850), (10, 2564680), (16, 1602925), (20, 1282340), (25, 1025872), (40, 641170), (50, 512936), (80, 320585), (97, 264400), (100, 256468), (194, 132200), (200, 128234), (388, 66100), (400, 64117), (485, 52880), (661, 38800), (776, 33050), (970, 26440), (1322, 19400), (1552, 16525), (1940, 13220), (2425, 10576), (2644, 9700), (3305, 7760), (3880, 6610), (4850, 5288)]