84272800

素因数分解:

$2^5\times 5^2\times {\mathrm{105341}}^1$

素因数の和:105361

約数の個数: 36

約数和(自身を含む): 205732926

約数和(自身を除く): 121460126

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 400, 800, 105341, 210682, 421364, 526705, 842728, 1053410, 1685456, 2106820, 2633525, 3370912, 4213640, 5267050, 8427280, 10534100, 16854560, 21068200, 42136400, 84272800]

約数ペア:

[(1, 84272800), (2, 42136400), (4, 21068200), (5, 16854560), (8, 10534100), (10, 8427280), (16, 5267050), (20, 4213640), (25, 3370912), (32, 2633525), (40, 2106820), (50, 1685456), (80, 1053410), (100, 842728), (160, 526705), (200, 421364), (400, 210682), (800, 105341)]