12691600

素因数分解:

$2^4\times 5^2\times {\mathrm{31729}}^1$

素因数の和:31747

約数の個数: 30

約数和(自身を含む): 30492530

約数和(自身を除く): 17800930

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 31729, 63458, 126916, 158645, 253832, 317290, 507664, 634580, 793225, 1269160, 1586450, 2538320, 3172900, 6345800, 12691600]

約数ペア:

[(1, 12691600), (2, 6345800), (4, 3172900), (5, 2538320), (8, 1586450), (10, 1269160), (16, 793225), (20, 634580), (25, 507664), (40, 317290), (50, 253832), (80, 158645), (100, 126916), (200, 63458), (400, 31729)]