221464120

素因数分解:

$2^3\times 5^1\times {\mathrm{5536603}}^1$

素因数の和:5536614

約数の個数: 16

約数和(自身を含む): 498294360

約数和(自身を除く): 276830240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5536603, 11073206, 22146412, 27683015, 44292824, 55366030, 110732060, 221464120]

約数ペア:

[(1, 221464120), (2, 110732060), (4, 55366030), (5, 44292824), (8, 27683015), (10, 22146412), (20, 11073206), (40, 5536603)]