681920

素因数分解:

$2^6\times 5^1\times {\mathrm{2131}}^1$

素因数の和:2148

約数の個数: 28

約数和(自身を含む): 1624584

約数和(自身を除く): 942664

約数列:

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

約数ペア:

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