71250800

素因数分解:

$2^4\times 5^2\times {\mathrm{178127}}^1$

素因数の和:178145

約数の個数: 30

約数和(自身を含む): 171181008

約数和(自身を除く): 99930208

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 178127, 356254, 712508, 890635, 1425016, 1781270, 2850032, 3562540, 4453175, 7125080, 8906350, 14250160, 17812700, 35625400, 71250800]

約数ペア:

[(1, 71250800), (2, 35625400), (4, 17812700), (5, 14250160), (8, 8906350), (10, 7125080), (16, 4453175), (20, 3562540), (25, 2850032), (40, 1781270), (50, 1425016), (80, 890635), (100, 712508), (200, 356254), (400, 178127)]