6478960

素因数分解:

$2^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{743}}^1$

素因数の和:865

約数の個数: 40

約数和(自身を含む): 15222240

約数和(自身を除く): 8743280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 218, 436, 545, 743, 872, 1090, 1486, 1744, 2180, 2972, 3715, 4360, 5944, 7430, 8720, 11888, 14860, 29720, 59440, 80987, 161974, 323948, 404935, 647896, 809870, 1295792, 1619740, 3239480, 6478960]

約数ペア:

[(1, 6478960), (2, 3239480), (4, 1619740), (5, 1295792), (8, 809870), (10, 647896), (16, 404935), (20, 323948), (40, 161974), (80, 80987), (109, 59440), (218, 29720), (436, 14860), (545, 11888), (743, 8720), (872, 7430), (1090, 5944), (1486, 4360), (1744, 3715), (2180, 2972)]