81062680

素因数分解:

$2^3\times 5^1\times {\mathrm{2026567}}^1$

素因数の和:2026578

約数の個数: 16

約数和(自身を含む): 182391120

約数和(自身を除く): 101328440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2026567, 4053134, 8106268, 10132835, 16212536, 20265670, 40531340, 81062680]

約数ペア:

[(1, 81062680), (2, 40531340), (4, 20265670), (5, 16212536), (8, 10132835), (10, 8106268), (20, 4053134), (40, 2026567)]