4240420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{11159}}^1$

素因数の和:11187

約数の個数: 24

約数和(自身を含む): 9374400

約数和(自身を除く): 5133980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 11159, 22318, 44636, 55795, 111590, 212021, 223180, 424042, 848084, 1060105, 2120210, 4240420]

約数ペア:

[(1, 4240420), (2, 2120210), (4, 1060105), (5, 848084), (10, 424042), (19, 223180), (20, 212021), (38, 111590), (76, 55795), (95, 44636), (190, 22318), (380, 11159)]