80146768

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{385321}}^1$

素因数の和:385342

約数の個数: 20

約数和(自身を含む): 167229748

約数和(自身を除く): 87082980

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 385321, 770642, 1541284, 3082568, 5009173, 6165136, 10018346, 20036692, 40073384, 80146768]

約数ペア:

[(1, 80146768), (2, 40073384), (4, 20036692), (8, 10018346), (13, 6165136), (16, 5009173), (26, 3082568), (52, 1541284), (104, 770642), (208, 385321)]