13165780

素因数分解:

$2^2\times 5^1\times {\mathrm{263}}^1\times {\mathrm{2503}}^1$

素因数の和:2775

約数の個数: 24

約数和(自身を含む): 27764352

約数和(自身を除く): 14598572

約数列:

[1, 2, 4, 5, 10, 20, 263, 526, 1052, 1315, 2503, 2630, 5006, 5260, 10012, 12515, 25030, 50060, 658289, 1316578, 2633156, 3291445, 6582890, 13165780]

約数ペア:

[(1, 13165780), (2, 6582890), (4, 3291445), (5, 2633156), (10, 1316578), (20, 658289), (263, 50060), (526, 25030), (1052, 12515), (1315, 10012), (2503, 5260), (2630, 5006)]