54996880

素因数分解:

$2^4\times 5^1\times {\mathrm{687461}}^1$

素因数の和:687474

約数の個数: 20

約数和(自身を含む): 127867932

約数和(自身を除く): 72871052

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 687461, 1374922, 2749844, 3437305, 5499688, 6874610, 10999376, 13749220, 27498440, 54996880]

約数ペア:

[(1, 54996880), (2, 27498440), (4, 13749220), (5, 10999376), (8, 6874610), (10, 5499688), (16, 3437305), (20, 2749844), (40, 1374922), (80, 687461)]