1520402420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{4001059}}^1$

素因数の和:4001087

約数の個数: 24

約数和(自身を含む): 3360890400

約数和(自身を除く): 1840487980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 4001059, 8002118, 16004236, 20005295, 40010590, 76020121, 80021180, 152040242, 304080484, 380100605, 760201210, 1520402420]

約数ペア:

[(1, 1520402420), (2, 760201210), (4, 380100605), (5, 304080484), (10, 152040242), (19, 80021180), (20, 76020121), (38, 40010590), (76, 20005295), (95, 16004236), (190, 8002118), (380, 4001059)]