51020300

素因数分解:

$2^2\times 5^2\times {\mathrm{510203}}^1$

素因数の和:510217

約数の個数: 18

約数和(自身を含む): 110714268

約数和(自身を除く): 59693968

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 510203, 1020406, 2040812, 2551015, 5102030, 10204060, 12755075, 25510150, 51020300]

約数ペア:

[(1, 51020300), (2, 25510150), (4, 12755075), (5, 10204060), (10, 5102030), (20, 2551015), (25, 2040812), (50, 1020406), (100, 510203)]