16810480

素因数分解:

$2^4\times 5^1\times {\mathrm{210131}}^1$

素因数の和:210144

約数の個数: 20

約数和(自身を含む): 39084552

約数和(自身を除く): 22274072

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 210131, 420262, 840524, 1050655, 1681048, 2101310, 3362096, 4202620, 8405240, 16810480]

約数ペア:

[(1, 16810480), (2, 8405240), (4, 4202620), (5, 3362096), (8, 2101310), (10, 1681048), (16, 1050655), (20, 840524), (40, 420262), (80, 210131)]