220960

素因数分解:

$2^5\times 5^1\times {\mathrm{1381}}^1$

素因数の和:1396

約数の個数: 24

約数和(自身を含む): 522396

約数和(自身を除く): 301436

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 1381, 2762, 5524, 6905, 11048, 13810, 22096, 27620, 44192, 55240, 110480, 220960]

約数ペア:

[(1, 220960), (2, 110480), (4, 55240), (5, 44192), (8, 27620), (10, 22096), (16, 13810), (20, 11048), (32, 6905), (40, 5524), (80, 2762), (160, 1381)]