80976460

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{48781}}^1$

素因数の和:48873

約数の個数: 24

約数和(自身を含む): 172102896

約数和(自身を除く): 91126436

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1660, 48781, 97562, 195124, 243905, 487810, 975620, 4048823, 8097646, 16195292, 20244115, 40488230, 80976460]

約数ペア:

[(1, 80976460), (2, 40488230), (4, 20244115), (5, 16195292), (10, 8097646), (20, 4048823), (83, 975620), (166, 487810), (332, 243905), (415, 195124), (830, 97562), (1660, 48781)]