27120400

素因数分解:

$2^4\times 5^2\times {\mathrm{67801}}^1$

素因数の和:67819

約数の個数: 30

約数和(自身を含む): 65157722

約数和(自身を除く): 38037322

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 67801, 135602, 271204, 339005, 542408, 678010, 1084816, 1356020, 1695025, 2712040, 3390050, 5424080, 6780100, 13560200, 27120400]

約数ペア:

[(1, 27120400), (2, 13560200), (4, 6780100), (5, 5424080), (8, 3390050), (10, 2712040), (16, 1695025), (20, 1356020), (25, 1084816), (40, 678010), (50, 542408), (80, 339005), (100, 271204), (200, 135602), (400, 67801)]