51331020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{65809}}^1$

素因数の和:65834

約数の個数: 48

約数和(自身を含む): 154785120

約数和(自身を除く): 103454100

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 65809, 131618, 197427, 263236, 329045, 394854, 658090, 789708, 855517, 987135, 1316180, 1711034, 1974270, 2566551, 3422068, 3948540, 4277585, 5133102, 8555170, 10266204, 12832755, 17110340, 25665510, 51331020]

約数ペア:

[(1, 51331020), (2, 25665510), (3, 17110340), (4, 12832755), (5, 10266204), (6, 8555170), (10, 5133102), (12, 4277585), (13, 3948540), (15, 3422068), (20, 2566551), (26, 1974270), (30, 1711034), (39, 1316180), (52, 987135), (60, 855517), (65, 789708), (78, 658090), (130, 394854), (156, 329045), (195, 263236), (260, 197427), (390, 131618), (780, 65809)]