202972720

素因数分解:

$2^4\times 5^1\times {\mathrm{2537159}}^1$

素因数の和:2537172

約数の個数: 20

約数和(自身を含む): 471911760

約数和(自身を除く): 268939040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2537159, 5074318, 10148636, 12685795, 20297272, 25371590, 40594544, 50743180, 101486360, 202972720]

約数ペア:

[(1, 202972720), (2, 101486360), (4, 50743180), (5, 40594544), (8, 25371590), (10, 20297272), (16, 12685795), (20, 10148636), (40, 5074318), (80, 2537159)]