7798040

素因数分解:

$2^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{1423}}^1$

素因数の和:1571

約数の個数: 32

約数和(自身を含む): 17686080

約数和(自身を除く): 9888040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 137, 274, 548, 685, 1096, 1370, 1423, 2740, 2846, 5480, 5692, 7115, 11384, 14230, 28460, 56920, 194951, 389902, 779804, 974755, 1559608, 1949510, 3899020, 7798040]

約数ペア:

[(1, 7798040), (2, 3899020), (4, 1949510), (5, 1559608), (8, 974755), (10, 779804), (20, 389902), (40, 194951), (137, 56920), (274, 28460), (548, 14230), (685, 11384), (1096, 7115), (1370, 5692), (1423, 5480), (2740, 2846)]