542782840

素因数分解:

$2^3\times 5^1\times {\mathrm{13569571}}^1$

素因数の和:13569582

約数の個数: 16

約数和(自身を含む): 1221261480

約数和(自身を除く): 678478640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 13569571, 27139142, 54278284, 67847855, 108556568, 135695710, 271391420, 542782840]

約数ペア:

[(1, 542782840), (2, 271391420), (4, 135695710), (5, 108556568), (8, 67847855), (10, 54278284), (20, 27139142), (40, 13569571)]