7727480

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{3167}}^1$

素因数の和:3239

約数の個数: 32

約数和(自身を含む): 17677440

約数和(自身を除く): 9949960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 3167, 6334, 12668, 15835, 25336, 31670, 63340, 126680, 193187, 386374, 772748, 965935, 1545496, 1931870, 3863740, 7727480]

約数ペア:

[(1, 7727480), (2, 3863740), (4, 1931870), (5, 1545496), (8, 965935), (10, 772748), (20, 386374), (40, 193187), (61, 126680), (122, 63340), (244, 31670), (305, 25336), (488, 15835), (610, 12668), (1220, 6334), (2440, 3167)]