28329020

素因数分解:

$2^2\times 5^1\times {\mathrm{557}}^1\times {\mathrm{2543}}^1$

素因数の和:3109

約数の個数: 24

約数和(自身を含む): 59621184

約数和(自身を除く): 31292164

約数列:

[1, 2, 4, 5, 10, 20, 557, 1114, 2228, 2543, 2785, 5086, 5570, 10172, 11140, 12715, 25430, 50860, 1416451, 2832902, 5665804, 7082255, 14164510, 28329020]

約数ペア:

[(1, 28329020), (2, 14164510), (4, 7082255), (5, 5665804), (10, 2832902), (20, 1416451), (557, 50860), (1114, 25430), (2228, 12715), (2543, 11140), (2785, 10172), (5086, 5570)]