108000400

素因数分解:

$2^4\times 5^2\times {\mathrm{270001}}^1$

素因数の和:270019

約数の個数: 30

約数和(自身を含む): 259471922

約数和(自身を除く): 151471522

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 270001, 540002, 1080004, 1350005, 2160008, 2700010, 4320016, 5400020, 6750025, 10800040, 13500050, 21600080, 27000100, 54000200, 108000400]

約数ペア:

[(1, 108000400), (2, 54000200), (4, 27000100), (5, 21600080), (8, 13500050), (10, 10800040), (16, 6750025), (20, 5400020), (25, 4320016), (40, 2700010), (50, 2160008), (80, 1350005), (100, 1080004), (200, 540002), (400, 270001)]