4012990

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{21121}}^1$

素因数の和:21147

約数の個数: 16

約数和(自身を含む): 7603920

約数和(自身を除く): 3590930

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 21121, 42242, 105605, 211210, 401299, 802598, 2006495, 4012990]

約数ペア:

[(1, 4012990), (2, 2006495), (5, 802598), (10, 401299), (19, 211210), (38, 105605), (95, 42242), (190, 21121)]