77740360

素因数分解:

$2^3\times 5^1\times {\mathrm{1307}}^1\times {\mathrm{1487}}^1$

素因数の和:2805

約数の個数: 32

約数和(自身を含む): 175167360

約数和(自身を除く): 97427000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1307, 1487, 2614, 2974, 5228, 5948, 6535, 7435, 10456, 11896, 13070, 14870, 26140, 29740, 52280, 59480, 1943509, 3887018, 7774036, 9717545, 15548072, 19435090, 38870180, 77740360]

約数ペア:

[(1, 77740360), (2, 38870180), (4, 19435090), (5, 15548072), (8, 9717545), (10, 7774036), (20, 3887018), (40, 1943509), (1307, 59480), (1487, 52280), (2614, 29740), (2974, 26140), (5228, 14870), (5948, 13070), (6535, 11896), (7435, 10456)]