25104040

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{2099}}^1$

素因数の和:2146

約数の個数: 64

約数和(自身を含む): 63504000

約数和(自身を除く): 38399960

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 23, 26, 40, 46, 52, 65, 92, 104, 115, 130, 184, 230, 260, 299, 460, 520, 598, 920, 1196, 1495, 2099, 2392, 2990, 4198, 5980, 8396, 10495, 11960, 16792, 20990, 27287, 41980, 48277, 54574, 83960, 96554, 109148, 136435, 193108, 218296, 241385, 272870, 386216, 482770, 545740, 627601, 965540, 1091480, 1255202, 1931080, 2510404, 3138005, 5020808, 6276010, 12552020, 25104040]

約数ペア:

[(1, 25104040), (2, 12552020), (4, 6276010), (5, 5020808), (8, 3138005), (10, 2510404), (13, 1931080), (20, 1255202), (23, 1091480), (26, 965540), (40, 627601), (46, 545740), (52, 482770), (65, 386216), (92, 272870), (104, 241385), (115, 218296), (130, 193108), (184, 136435), (230, 109148), (260, 96554), (299, 83960), (460, 54574), (520, 48277), (598, 41980), (920, 27287), (1196, 20990), (1495, 16792), (2099, 11960), (2392, 10495), (2990, 8396), (4198, 5980)]