4402280

素因数分解:

$2^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{701}}^1$

素因数の和:869

約数の個数: 32

約数和(自身を含む): 9982440

約数和(自身を除く): 5580160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 157, 314, 628, 701, 785, 1256, 1402, 1570, 2804, 3140, 3505, 5608, 6280, 7010, 14020, 28040, 110057, 220114, 440228, 550285, 880456, 1100570, 2201140, 4402280]

約数ペア:

[(1, 4402280), (2, 2201140), (4, 1100570), (5, 880456), (8, 550285), (10, 440228), (20, 220114), (40, 110057), (157, 28040), (314, 14020), (628, 7010), (701, 6280), (785, 5608), (1256, 3505), (1402, 3140), (1570, 2804)]