25117480

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{367}}^1$

素因数の和:466

約数の個数: 64

約数和(自身を含む): 59616000

約数和(自身を除く): 34498520

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 59, 116, 118, 145, 232, 236, 290, 295, 367, 472, 580, 590, 734, 1160, 1180, 1468, 1711, 1835, 2360, 2936, 3422, 3670, 6844, 7340, 8555, 10643, 13688, 14680, 17110, 21286, 21653, 34220, 42572, 43306, 53215, 68440, 85144, 86612, 106430, 108265, 173224, 212860, 216530, 425720, 433060, 627937, 866120, 1255874, 2511748, 3139685, 5023496, 6279370, 12558740, 25117480]

約数ペア:

[(1, 25117480), (2, 12558740), (4, 6279370), (5, 5023496), (8, 3139685), (10, 2511748), (20, 1255874), (29, 866120), (40, 627937), (58, 433060), (59, 425720), (116, 216530), (118, 212860), (145, 173224), (232, 108265), (236, 106430), (290, 86612), (295, 85144), (367, 68440), (472, 53215), (580, 43306), (590, 42572), (734, 34220), (1160, 21653), (1180, 21286), (1468, 17110), (1711, 14680), (1835, 13688), (2360, 10643), (2936, 8555), (3422, 7340), (3670, 6844)]