81185872

素因数分解:

$2^4\times {\mathrm{1013}}^1\times {\mathrm{5009}}^1$

素因数の和:6030

約数の個数: 20

約数和(自身を含む): 157484340

約数和(自身を除く): 76298468

約数列:

[1, 2, 4, 8, 16, 1013, 2026, 4052, 5009, 8104, 10018, 16208, 20036, 40072, 80144, 5074117, 10148234, 20296468, 40592936, 81185872]

約数ペア:

[(1, 81185872), (2, 40592936), (4, 20296468), (8, 10148234), (16, 5074117), (1013, 80144), (2026, 40072), (4052, 20036), (5009, 16208), (8104, 10018)]