31509920

素因数分解:

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

素因数の和:15177

約数の個数: 48

約数和(自身を含む): 80173800

約数和(自身を除く): 48663880

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 15149, 30298, 60596, 75745, 121192, 151490, 196937, 242384, 302980, 393874, 484768, 605960, 787748, 984685, 1211920, 1575496, 1969370, 2423840, 3150992, 3938740, 6301984, 7877480, 15754960, 31509920]

約数ペア:

[(1, 31509920), (2, 15754960), (4, 7877480), (5, 6301984), (8, 3938740), (10, 3150992), (13, 2423840), (16, 1969370), (20, 1575496), (26, 1211920), (32, 984685), (40, 787748), (52, 605960), (65, 484768), (80, 393874), (104, 302980), (130, 242384), (160, 196937), (208, 151490), (260, 121192), (416, 75745), (520, 60596), (1040, 30298), (2080, 15149)]