22170800

素因数分解:

$2^4\times 5^2\times {\mathrm{43}}^1\times {\mathrm{1289}}^1$

素因数の和:1350

約数の個数: 60

約数和(自身を含む): 54546360

約数和(自身を除く): 32375560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 43, 50, 80, 86, 100, 172, 200, 215, 344, 400, 430, 688, 860, 1075, 1289, 1720, 2150, 2578, 3440, 4300, 5156, 6445, 8600, 10312, 12890, 17200, 20624, 25780, 32225, 51560, 55427, 64450, 103120, 110854, 128900, 221708, 257800, 277135, 443416, 515600, 554270, 886832, 1108540, 1385675, 2217080, 2771350, 4434160, 5542700, 11085400, 22170800]

約数ペア:

[(1, 22170800), (2, 11085400), (4, 5542700), (5, 4434160), (8, 2771350), (10, 2217080), (16, 1385675), (20, 1108540), (25, 886832), (40, 554270), (43, 515600), (50, 443416), (80, 277135), (86, 257800), (100, 221708), (172, 128900), (200, 110854), (215, 103120), (344, 64450), (400, 55427), (430, 51560), (688, 32225), (860, 25780), (1075, 20624), (1289, 17200), (1720, 12890), (2150, 10312), (2578, 8600), (3440, 6445), (4300, 5156)]