42148900

素因数分解:

$2^2\times 5^2\times {\mathrm{521}}^1\times {\mathrm{809}}^1$

素因数の和:1344

約数の個数: 36

約数和(自身を含む): 91751940

約数和(自身を除く): 49603040

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 521, 809, 1042, 1618, 2084, 2605, 3236, 4045, 5210, 8090, 10420, 13025, 16180, 20225, 26050, 40450, 52100, 80900, 421489, 842978, 1685956, 2107445, 4214890, 8429780, 10537225, 21074450, 42148900]

約数ペア:

[(1, 42148900), (2, 21074450), (4, 10537225), (5, 8429780), (10, 4214890), (20, 2107445), (25, 1685956), (50, 842978), (100, 421489), (521, 80900), (809, 52100), (1042, 40450), (1618, 26050), (2084, 20225), (2605, 16180), (3236, 13025), (4045, 10420), (5210, 8090)]