51831680

素因数分解:

$2^7\times 5^1\times {\mathrm{109}}^1\times {\mathrm{743}}^1$

素因数の和:871

約数の個数: 64

約数和(自身を含む): 125215200

約数和(自身を除く): 73383520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 109, 128, 160, 218, 320, 436, 545, 640, 743, 872, 1090, 1486, 1744, 2180, 2972, 3488, 3715, 4360, 5944, 6976, 7430, 8720, 11888, 13952, 14860, 17440, 23776, 29720, 34880, 47552, 59440, 69760, 80987, 95104, 118880, 161974, 237760, 323948, 404935, 475520, 647896, 809870, 1295792, 1619740, 2591584, 3239480, 5183168, 6478960, 10366336, 12957920, 25915840, 51831680]

約数ペア:

[(1, 51831680), (2, 25915840), (4, 12957920), (5, 10366336), (8, 6478960), (10, 5183168), (16, 3239480), (20, 2591584), (32, 1619740), (40, 1295792), (64, 809870), (80, 647896), (109, 475520), (128, 404935), (160, 323948), (218, 237760), (320, 161974), (436, 118880), (545, 95104), (640, 80987), (743, 69760), (872, 59440), (1090, 47552), (1486, 34880), (1744, 29720), (2180, 23776), (2972, 17440), (3488, 14860), (3715, 13952), (4360, 11888), (5944, 8720), (6976, 7430)]