2123785640

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{596569}}^1$

素因数の和:596669

約数の個数: 32

約数和(自身を含む): 4832217000

約数和(自身を除く): 2708431360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 596569, 1193138, 2386276, 2982845, 4772552, 5965690, 11931380, 23862760, 53094641, 106189282, 212378564, 265473205, 424757128, 530946410, 1061892820, 2123785640]

約数ペア:

[(1, 2123785640), (2, 1061892820), (4, 530946410), (5, 424757128), (8, 265473205), (10, 212378564), (20, 106189282), (40, 53094641), (89, 23862760), (178, 11931380), (356, 5965690), (445, 4772552), (712, 2982845), (890, 2386276), (1780, 1193138), (3560, 596569)]