80467400

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{30949}}^1$

素因数の和:30978

約数の個数: 48

約数和(自身を含む): 201484500

約数和(自身を除く): 121017100

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 130, 200, 260, 325, 520, 650, 1300, 2600, 30949, 61898, 123796, 154745, 247592, 309490, 402337, 618980, 773725, 804674, 1237960, 1547450, 1609348, 2011685, 3094900, 3218696, 4023370, 6189800, 8046740, 10058425, 16093480, 20116850, 40233700, 80467400]

約数ペア:

[(1, 80467400), (2, 40233700), (4, 20116850), (5, 16093480), (8, 10058425), (10, 8046740), (13, 6189800), (20, 4023370), (25, 3218696), (26, 3094900), (40, 2011685), (50, 1609348), (52, 1547450), (65, 1237960), (100, 804674), (104, 773725), (130, 618980), (200, 402337), (260, 309490), (325, 247592), (520, 154745), (650, 123796), (1300, 61898), (2600, 30949)]