80892220

素因数分解:

$2^2\times 5^1\times {\mathrm{1481}}^1\times {\mathrm{2731}}^1$

素因数の和:4221

約数の個数: 24

約数和(自身を含む): 170050608

約数和(自身を除く): 89158388

約数列:

[1, 2, 4, 5, 10, 20, 1481, 2731, 2962, 5462, 5924, 7405, 10924, 13655, 14810, 27310, 29620, 54620, 4044611, 8089222, 16178444, 20223055, 40446110, 80892220]

約数ペア:

[(1, 80892220), (2, 40446110), (4, 20223055), (5, 16178444), (10, 8089222), (20, 4044611), (1481, 54620), (2731, 29620), (2962, 27310), (5462, 14810), (5924, 13655), (7405, 10924)]