6640844920

素因数分解:

$2^3\times 5^1\times {\mathrm{199}}^1\times {\mathrm{834277}}^1$

素因数の和:834487

約数の個数: 32

約数和(自身を含む): 15017004000

約数和(自身を除く): 8376159080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 199, 398, 796, 995, 1592, 1990, 3980, 7960, 834277, 1668554, 3337108, 4171385, 6674216, 8342770, 16685540, 33371080, 166021123, 332042246, 664084492, 830105615, 1328168984, 1660211230, 3320422460, 6640844920]

約数ペア:

[(1, 6640844920), (2, 3320422460), (4, 1660211230), (5, 1328168984), (8, 830105615), (10, 664084492), (20, 332042246), (40, 166021123), (199, 33371080), (398, 16685540), (796, 8342770), (995, 6674216), (1592, 4171385), (1990, 3337108), (3980, 1668554), (7960, 834277)]