25915840

素因数分解:

$2^6\times 5^1\times {\mathrm{109}}^1\times {\mathrm{743}}^1$

素因数の和:869

約数の個数: 56

約数和(自身を含む): 62362080

約数和(自身を除く): 36446240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 109, 160, 218, 320, 436, 545, 743, 872, 1090, 1486, 1744, 2180, 2972, 3488, 3715, 4360, 5944, 6976, 7430, 8720, 11888, 14860, 17440, 23776, 29720, 34880, 47552, 59440, 80987, 118880, 161974, 237760, 323948, 404935, 647896, 809870, 1295792, 1619740, 2591584, 3239480, 5183168, 6478960, 12957920, 25915840]

約数ペア:

[(1, 25915840), (2, 12957920), (4, 6478960), (5, 5183168), (8, 3239480), (10, 2591584), (16, 1619740), (20, 1295792), (32, 809870), (40, 647896), (64, 404935), (80, 323948), (109, 237760), (160, 161974), (218, 118880), (320, 80987), (436, 59440), (545, 47552), (743, 34880), (872, 29720), (1090, 23776), (1486, 17440), (1744, 14860), (2180, 11888), (2972, 8720), (3488, 7430), (3715, 6976), (4360, 5944)]