144281920

素因数分解:

$2^6\times 5^1\times {\mathrm{450881}}^1$

素因数の和:450898

約数の個数: 28

約数和(自身を含む): 343572084

約数和(自身を除く): 199290164

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 450881, 901762, 1803524, 2254405, 3607048, 4508810, 7214096, 9017620, 14428192, 18035240, 28856384, 36070480, 72140960, 144281920]

約数ペア:

[(1, 144281920), (2, 72140960), (4, 36070480), (5, 28856384), (8, 18035240), (10, 14428192), (16, 9017620), (20, 7214096), (32, 4508810), (40, 3607048), (64, 2254405), (80, 1803524), (160, 901762), (320, 450881)]