8426800

素因数分解:

$2^4\times 5^2\times {\mathrm{21067}}^1$

素因数の和:21085

約数の個数: 30

約数和(自身を含む): 20246348

約数和(自身を除く): 11819548

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 21067, 42134, 84268, 105335, 168536, 210670, 337072, 421340, 526675, 842680, 1053350, 1685360, 2106700, 4213400, 8426800]

約数ペア:

[(1, 8426800), (2, 4213400), (4, 2106700), (5, 1685360), (8, 1053350), (10, 842680), (16, 526675), (20, 421340), (25, 337072), (40, 210670), (50, 168536), (80, 105335), (100, 84268), (200, 42134), (400, 21067)]