78012005

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{389}}^1\times {\mathrm{2111}}^1$

素因数の和:2524

約数の個数: 16

約数和(自身を含む): 98841600

約数和(自身を除く): 20829595

約数列:

[1, 5, 19, 95, 389, 1945, 2111, 7391, 10555, 36955, 40109, 200545, 821179, 4105895, 15602401, 78012005]

約数ペア:

[(1, 78012005), (5, 15602401), (19, 4105895), (95, 821179), (389, 200545), (1945, 40109), (2111, 36955), (7391, 10555)]