648082180

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{314603}}^1$

素因数の和:314715

約数の個数: 24

約数和(自身を含む): 1374190272

約数和(自身を除く): 726108092

約数列:

[1, 2, 4, 5, 10, 20, 103, 206, 412, 515, 1030, 2060, 314603, 629206, 1258412, 1573015, 3146030, 6292060, 32404109, 64808218, 129616436, 162020545, 324041090, 648082180]

約数ペア:

[(1, 648082180), (2, 324041090), (4, 162020545), (5, 129616436), (10, 64808218), (20, 32404109), (103, 6292060), (206, 3146030), (412, 1573015), (515, 1258412), (1030, 629206), (2060, 314603)]