39980728

素因数分解:

$2^3\times {\mathrm{181}}^1\times {\mathrm{27611}}^1$

素因数の和:27798

約数の個数: 16

約数和(自身を含む): 75380760

約数和(自身を除く): 35400032

約数列:

[1, 2, 4, 8, 181, 362, 724, 1448, 27611, 55222, 110444, 220888, 4997591, 9995182, 19990364, 39980728]

約数ペア:

[(1, 39980728), (2, 19990364), (4, 9995182), (8, 4997591), (181, 220888), (362, 110444), (724, 55222), (1448, 27611)]