7877480

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{15149}}^1$

素因数の和:15173

約数の個数: 32

約数和(自身を含む): 19089000

約数和(自身を除く): 11211520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 15149, 30298, 60596, 75745, 121192, 151490, 196937, 302980, 393874, 605960, 787748, 984685, 1575496, 1969370, 3938740, 7877480]

約数ペア:

[(1, 7877480), (2, 3938740), (4, 1969370), (5, 1575496), (8, 984685), (10, 787748), (13, 605960), (20, 393874), (26, 302980), (40, 196937), (52, 151490), (65, 121192), (104, 75745), (130, 60596), (260, 30298), (520, 15149)]