56522120

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{15877}}^1$

素因数の和:15977

約数の個数: 32

約数和(自身を含む): 128611800

約数和(自身を除く): 72089680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 15877, 31754, 63508, 79385, 127016, 158770, 317540, 635080, 1413053, 2826106, 5652212, 7065265, 11304424, 14130530, 28261060, 56522120]

約数ペア:

[(1, 56522120), (2, 28261060), (4, 14130530), (5, 11304424), (8, 7065265), (10, 5652212), (20, 2826106), (40, 1413053), (89, 635080), (178, 317540), (356, 158770), (445, 127016), (712, 79385), (890, 63508), (1780, 31754), (3560, 15877)]