807680020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{5769143}}^1$

素因数の和:5769159

約数の個数: 24

約数和(自身を含む): 1938432384

約数和(自身を除く): 1130752364

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 5769143, 11538286, 23076572, 28845715, 40384001, 57691430, 80768002, 115382860, 161536004, 201920005, 403840010, 807680020]

約数ペア:

[(1, 807680020), (2, 403840010), (4, 201920005), (5, 161536004), (7, 115382860), (10, 80768002), (14, 57691430), (20, 40384001), (28, 28845715), (35, 23076572), (70, 11538286), (140, 5769143)]