1363840

素因数分解:

$2^7\times 5^1\times {\mathrm{2131}}^1$

素因数の和:2150

約数の個数: 32

約数和(自身を含む): 3261960

約数和(自身を除く): 1898120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 2131, 4262, 8524, 10655, 17048, 21310, 34096, 42620, 68192, 85240, 136384, 170480, 272768, 340960, 681920, 1363840]

約数ペア:

[(1, 1363840), (2, 681920), (4, 340960), (5, 272768), (8, 170480), (10, 136384), (16, 85240), (20, 68192), (32, 42620), (40, 34096), (64, 21310), (80, 17048), (128, 10655), (160, 8524), (320, 4262), (640, 2131)]