4105480

素因数分解:

$2^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{521}}^1$

素因数の和:729

約数の個数: 32

約数和(自身を含む): 9302040

約数和(自身を除く): 5196560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 197, 394, 521, 788, 985, 1042, 1576, 1970, 2084, 2605, 3940, 4168, 5210, 7880, 10420, 20840, 102637, 205274, 410548, 513185, 821096, 1026370, 2052740, 4105480]

約数ペア:

[(1, 4105480), (2, 2052740), (4, 1026370), (5, 821096), (8, 513185), (10, 410548), (20, 205274), (40, 102637), (197, 20840), (394, 10420), (521, 7880), (788, 5210), (985, 4168), (1042, 3940), (1576, 2605), (1970, 2084)]