85122980

素因数分解:

$2^2\times 5^1\times {\mathrm{809}}^1\times {\mathrm{5261}}^1$

素因数の和:6079

約数の個数: 24

約数和(自身を含む): 179013240

約数和(自身を除く): 93890260

約数列:

[1, 2, 4, 5, 10, 20, 809, 1618, 3236, 4045, 5261, 8090, 10522, 16180, 21044, 26305, 52610, 105220, 4256149, 8512298, 17024596, 21280745, 42561490, 85122980]

約数ペア:

[(1, 85122980), (2, 42561490), (4, 21280745), (5, 17024596), (10, 8512298), (20, 4256149), (809, 105220), (1618, 52610), (3236, 26305), (4045, 21044), (5261, 16180), (8090, 10522)]