25125380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{911}}^1$

素因数の和:1124

約数の個数: 48

約数和(自身を含む): 60673536

約数和(自身を除く): 35548156

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 197, 394, 788, 911, 985, 1379, 1822, 1970, 2758, 3644, 3940, 4555, 5516, 6377, 6895, 9110, 12754, 13790, 18220, 25508, 27580, 31885, 63770, 127540, 179467, 358934, 717868, 897335, 1256269, 1794670, 2512538, 3589340, 5025076, 6281345, 12562690, 25125380]

約数ペア:

[(1, 25125380), (2, 12562690), (4, 6281345), (5, 5025076), (7, 3589340), (10, 2512538), (14, 1794670), (20, 1256269), (28, 897335), (35, 717868), (70, 358934), (140, 179467), (197, 127540), (394, 63770), (788, 31885), (911, 27580), (985, 25508), (1379, 18220), (1822, 13790), (1970, 12754), (2758, 9110), (3644, 6895), (3940, 6377), (4555, 5516)]