2644420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{6959}}^1$

素因数の和:6987

約数の個数: 24

約数和(自身を含む): 5846400

約数和(自身を除く): 3201980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 6959, 13918, 27836, 34795, 69590, 132221, 139180, 264442, 528884, 661105, 1322210, 2644420]

約数ペア:

[(1, 2644420), (2, 1322210), (4, 661105), (5, 528884), (10, 264442), (19, 139180), (20, 132221), (38, 69590), (76, 34795), (95, 27836), (190, 13918), (380, 6959)]