51377440

素因数分解:

$2^5\times 5^1\times {\mathrm{321109}}^1$

素因数の和:321124

約数の個数: 24

約数和(自身を含む): 121379580

約数和(自身を除く): 70002140

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 321109, 642218, 1284436, 1605545, 2568872, 3211090, 5137744, 6422180, 10275488, 12844360, 25688720, 51377440]

約数ペア:

[(1, 51377440), (2, 25688720), (4, 12844360), (5, 10275488), (8, 6422180), (10, 5137744), (16, 3211090), (20, 2568872), (32, 1605545), (40, 1284436), (80, 642218), (160, 321109)]