26695220

素因数分解:

$2^2\times 5^1\times {\mathrm{647}}^1\times {\mathrm{2063}}^1$

素因数の和:2719

約数の個数: 24

約数和(自身を含む): 56173824

約数和(自身を除く): 29478604

約数列:

[1, 2, 4, 5, 10, 20, 647, 1294, 2063, 2588, 3235, 4126, 6470, 8252, 10315, 12940, 20630, 41260, 1334761, 2669522, 5339044, 6673805, 13347610, 26695220]

約数ペア:

[(1, 26695220), (2, 13347610), (4, 6673805), (5, 5339044), (10, 2669522), (20, 1334761), (647, 41260), (1294, 20630), (2063, 12940), (2588, 10315), (3235, 8252), (4126, 6470)]