7897240

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{15187}}^1$

素因数の和:15211

約数の個数: 32

約数和(自身を含む): 19136880

約数和(自身を除く): 11239640

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 15187, 30374, 60748, 75935, 121496, 151870, 197431, 303740, 394862, 607480, 789724, 987155, 1579448, 1974310, 3948620, 7897240]

約数ペア:

[(1, 7897240), (2, 3948620), (4, 1974310), (5, 1579448), (8, 987155), (10, 789724), (13, 607480), (20, 394862), (26, 303740), (40, 197431), (52, 151870), (65, 121496), (104, 75935), (130, 60748), (260, 30374), (520, 15187)]