28301800

素因数分解:

$2^3\times 5^2\times {\mathrm{141509}}^1$

素因数の和:141525

約数の個数: 24

約数和(自身を含む): 65802150

約数和(自身を除く): 37500350

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 141509, 283018, 566036, 707545, 1132072, 1415090, 2830180, 3537725, 5660360, 7075450, 14150900, 28301800]

約数ペア:

[(1, 28301800), (2, 14150900), (4, 7075450), (5, 5660360), (8, 3537725), (10, 2830180), (20, 1415090), (25, 1132072), (40, 707545), (50, 566036), (100, 283018), (200, 141509)]