54409840

素因数分解:

$2^4\times 5^1\times {\mathrm{680123}}^1$

素因数の和:680136

約数の個数: 20

約数和(自身を含む): 126503064

約数和(自身を除く): 72093224

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 680123, 1360246, 2720492, 3400615, 5440984, 6801230, 10881968, 13602460, 27204920, 54409840]

約数ペア:

[(1, 54409840), (2, 27204920), (4, 13602460), (5, 10881968), (8, 6801230), (10, 5440984), (16, 3400615), (20, 2720492), (40, 1360246), (80, 680123)]