81209050

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{1237}}^1$

素因数の和:1363

約数の個数: 48

約数和(自身を含む): 164411352

約数和(自身を除く): 83202302

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 101, 130, 202, 325, 505, 650, 1010, 1237, 1313, 2474, 2525, 2626, 5050, 6185, 6565, 12370, 13130, 16081, 30925, 32162, 32825, 61850, 65650, 80405, 124937, 160810, 249874, 402025, 624685, 804050, 1249370, 1624181, 3123425, 3248362, 6246850, 8120905, 16241810, 40604525, 81209050]

約数ペア:

[(1, 81209050), (2, 40604525), (5, 16241810), (10, 8120905), (13, 6246850), (25, 3248362), (26, 3123425), (50, 1624181), (65, 1249370), (101, 804050), (130, 624685), (202, 402025), (325, 249874), (505, 160810), (650, 124937), (1010, 80405), (1237, 65650), (1313, 61850), (2474, 32825), (2525, 32162), (2626, 30925), (5050, 16081), (6185, 13130), (6565, 12370)]