16356790

素因数分解:

$2^1\times 5^1\times {\mathrm{401}}^1\times {\mathrm{4079}}^1$

素因数の和:4487

約数の個数: 16

約数和(自身を含む): 29522880

約数和(自身を除く): 13166090

約数列:

[1, 2, 5, 10, 401, 802, 2005, 4010, 4079, 8158, 20395, 40790, 1635679, 3271358, 8178395, 16356790]

約数ペア:

[(1, 16356790), (2, 8178395), (5, 3271358), (10, 1635679), (401, 40790), (802, 20395), (2005, 8158), (4010, 4079)]