140410040

素因数分解:

$2^3\times 5^1\times {\mathrm{809}}^1\times {\mathrm{4339}}^1$

素因数の和:5159

約数の個数: 32

約数和(自身を含む): 316386000

約数和(自身を除く): 175975960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 809, 1618, 3236, 4045, 4339, 6472, 8090, 8678, 16180, 17356, 21695, 32360, 34712, 43390, 86780, 173560, 3510251, 7020502, 14041004, 17551255, 28082008, 35102510, 70205020, 140410040]

約数ペア:

[(1, 140410040), (2, 70205020), (4, 35102510), (5, 28082008), (8, 17551255), (10, 14041004), (20, 7020502), (40, 3510251), (809, 173560), (1618, 86780), (3236, 43390), (4045, 34712), (4339, 32360), (6472, 21695), (8090, 17356), (8678, 16180)]