13257500

素因数分解:

$2^2\times 5^4\times {\mathrm{5303}}^1$

素因数の和:5327

約数の個数: 30

約数和(自身を含む): 28996968

約数和(自身を除く): 15739468

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 500, 625, 1250, 2500, 5303, 10606, 21212, 26515, 53030, 106060, 132575, 265150, 530300, 662875, 1325750, 2651500, 3314375, 6628750, 13257500]

約数ペア:

[(1, 13257500), (2, 6628750), (4, 3314375), (5, 2651500), (10, 1325750), (20, 662875), (25, 530300), (50, 265150), (100, 132575), (125, 106060), (250, 53030), (500, 26515), (625, 21212), (1250, 10606), (2500, 5303)]