25642820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{1213}}^1$

素因数の和:1380

約数の個数: 48

約数和(自身を含む): 62001408

約数和(自身を除く): 36358588

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 151, 302, 604, 755, 1057, 1213, 1510, 2114, 2426, 3020, 4228, 4852, 5285, 6065, 8491, 10570, 12130, 16982, 21140, 24260, 33964, 42455, 84910, 169820, 183163, 366326, 732652, 915815, 1282141, 1831630, 2564282, 3663260, 5128564, 6410705, 12821410, 25642820]

約数ペア:

[(1, 25642820), (2, 12821410), (4, 6410705), (5, 5128564), (7, 3663260), (10, 2564282), (14, 1831630), (20, 1282141), (28, 915815), (35, 732652), (70, 366326), (140, 183163), (151, 169820), (302, 84910), (604, 42455), (755, 33964), (1057, 24260), (1213, 21140), (1510, 16982), (2114, 12130), (2426, 10570), (3020, 8491), (4228, 6065), (4852, 5285)]