25035700

素因数分解:

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

素因数の和:229

約数の個数: 72

約数和(自身を含む): 57418200

約数和(自身を除く): 32382500

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 50, 58, 89, 97, 100, 116, 145, 178, 194, 290, 356, 388, 445, 485, 580, 725, 890, 970, 1450, 1780, 1940, 2225, 2425, 2581, 2813, 2900, 4450, 4850, 5162, 5626, 8633, 8900, 9700, 10324, 11252, 12905, 14065, 17266, 25810, 28130, 34532, 43165, 51620, 56260, 64525, 70325, 86330, 129050, 140650, 172660, 215825, 250357, 258100, 281300, 431650, 500714, 863300, 1001428, 1251785, 2503570, 5007140, 6258925, 12517850, 25035700]

約数ペア:

[(1, 25035700), (2, 12517850), (4, 6258925), (5, 5007140), (10, 2503570), (20, 1251785), (25, 1001428), (29, 863300), (50, 500714), (58, 431650), (89, 281300), (97, 258100), (100, 250357), (116, 215825), (145, 172660), (178, 140650), (194, 129050), (290, 86330), (356, 70325), (388, 64525), (445, 56260), (485, 51620), (580, 43165), (725, 34532), (890, 28130), (970, 25810), (1450, 17266), (1780, 14065), (1940, 12905), (2225, 11252), (2425, 10324), (2581, 9700), (2813, 8900), (2900, 8633), (4450, 5626), (4850, 5162)]