1728040

素因数分解:

$2^3\times 5^1\times {\mathrm{43201}}^1$

素因数の和:43212

約数の個数: 16

約数和(自身を含む): 3888180

約数和(自身を除く): 2160140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43201, 86402, 172804, 216005, 345608, 432010, 864020, 1728040]

約数ペア:

[(1, 1728040), (2, 864020), (4, 432010), (5, 345608), (8, 216005), (10, 172804), (20, 86402), (40, 43201)]