56814040

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{15959}}^1$

素因数の和:16059

約数の個数: 32

約数和(自身を含む): 129276000

約数和(自身を除く): 72461960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 15959, 31918, 63836, 79795, 127672, 159590, 319180, 638360, 1420351, 2840702, 5681404, 7101755, 11362808, 14203510, 28407020, 56814040]

約数ペア:

[(1, 56814040), (2, 28407020), (4, 14203510), (5, 11362808), (8, 7101755), (10, 5681404), (20, 2840702), (40, 1420351), (89, 638360), (178, 319180), (356, 159590), (445, 127672), (712, 79795), (890, 63836), (1780, 31918), (3560, 15959)]