12517850

素因数分解:

$2^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1$

素因数の和:227

約数の個数: 48

約数和(自身を含む): 24607800

約数和(自身を除く): 12089950

約数列:

[1, 2, 5, 10, 25, 29, 50, 58, 89, 97, 145, 178, 194, 290, 445, 485, 725, 890, 970, 1450, 2225, 2425, 2581, 2813, 4450, 4850, 5162, 5626, 8633, 12905, 14065, 17266, 25810, 28130, 43165, 64525, 70325, 86330, 129050, 140650, 215825, 250357, 431650, 500714, 1251785, 2503570, 6258925, 12517850]

約数ペア:

[(1, 12517850), (2, 6258925), (5, 2503570), (10, 1251785), (25, 500714), (29, 431650), (50, 250357), (58, 215825), (89, 140650), (97, 129050), (145, 86330), (178, 70325), (194, 64525), (290, 43165), (445, 28130), (485, 25810), (725, 17266), (890, 14065), (970, 12905), (1450, 8633), (2225, 5626), (2425, 5162), (2581, 4850), (2813, 4450)]