1272500

素因数分解:

$2^2\times 5^4\times {\mathrm{509}}^1$

素因数の和:533

約数の個数: 30

約数和(自身を含む): 2788170

約数和(自身を除く): 1515670

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 500, 509, 625, 1018, 1250, 2036, 2500, 2545, 5090, 10180, 12725, 25450, 50900, 63625, 127250, 254500, 318125, 636250, 1272500]

約数ペア:

[(1, 1272500), (2, 636250), (4, 318125), (5, 254500), (10, 127250), (20, 63625), (25, 50900), (50, 25450), (100, 12725), (125, 10180), (250, 5090), (500, 2545), (509, 2500), (625, 2036), (1018, 1250)]