25372690

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{977}}^1$

素因数の和:1051

約数の個数: 48

約数和(自身を含む): 54185112

約数和(自身を除く): 28812422

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 53, 70, 98, 106, 245, 265, 371, 490, 530, 742, 977, 1855, 1954, 2597, 3710, 4885, 5194, 6839, 9770, 12985, 13678, 25970, 34195, 47873, 51781, 68390, 95746, 103562, 239365, 258905, 362467, 478730, 517810, 724934, 1812335, 2537269, 3624670, 5074538, 12686345, 25372690]

約数ペア:

[(1, 25372690), (2, 12686345), (5, 5074538), (7, 3624670), (10, 2537269), (14, 1812335), (35, 724934), (49, 517810), (53, 478730), (70, 362467), (98, 258905), (106, 239365), (245, 103562), (265, 95746), (371, 68390), (490, 51781), (530, 47873), (742, 34195), (977, 25970), (1855, 13678), (1954, 12985), (2597, 9770), (3710, 6839), (4885, 5194)]