142056520

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{82591}}^1$

素因数の和:82645

約数の個数: 32

約数和(自身を含む): 327064320

約数和(自身を除く): 185007800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 82591, 165182, 330364, 412955, 660728, 825910, 1651820, 3303640, 3551413, 7102826, 14205652, 17757065, 28411304, 35514130, 71028260, 142056520]

約数ペア:

[(1, 142056520), (2, 71028260), (4, 35514130), (5, 28411304), (8, 17757065), (10, 14205652), (20, 7102826), (40, 3551413), (43, 3303640), (86, 1651820), (172, 825910), (215, 660728), (344, 412955), (430, 330364), (860, 165182), (1720, 82591)]