1111240

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2137}}^1$

素因数の和:2161

約数の個数: 32

約数和(自身を含む): 2693880

約数和(自身を除く): 1582640

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 2137, 4274, 8548, 10685, 17096, 21370, 27781, 42740, 55562, 85480, 111124, 138905, 222248, 277810, 555620, 1111240]

約数ペア:

[(1, 1111240), (2, 555620), (4, 277810), (5, 222248), (8, 138905), (10, 111124), (13, 85480), (20, 55562), (26, 42740), (40, 27781), (52, 21370), (65, 17096), (104, 10685), (130, 8548), (260, 4274), (520, 2137)]