27578800

素因数分解:

$2^4\times 5^2\times {\mathrm{68947}}^1$

素因数の和:68965

約数の個数: 30

約数和(自身を含む): 66259028

約数和(自身を除く): 38680228

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 68947, 137894, 275788, 344735, 551576, 689470, 1103152, 1378940, 1723675, 2757880, 3447350, 5515760, 6894700, 13789400, 27578800]

約数ペア:

[(1, 27578800), (2, 13789400), (4, 6894700), (5, 5515760), (8, 3447350), (10, 2757880), (16, 1723675), (20, 1378940), (25, 1103152), (40, 689470), (50, 551576), (80, 344735), (100, 275788), (200, 137894), (400, 68947)]