31987640

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{42089}}^1$

素因数の和:42119

約数の個数: 32

約数和(自身を含む): 75762000

約数和(自身を除く): 43774360

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 42089, 84178, 168356, 210445, 336712, 420890, 799691, 841780, 1599382, 1683560, 3198764, 3998455, 6397528, 7996910, 15993820, 31987640]

約数ペア:

[(1, 31987640), (2, 15993820), (4, 7996910), (5, 6397528), (8, 3998455), (10, 3198764), (19, 1683560), (20, 1599382), (38, 841780), (40, 799691), (76, 420890), (95, 336712), (152, 210445), (190, 168356), (380, 84178), (760, 42089)]