380140840

素因数分解:

$2^3\times 5^1\times {\mathrm{9503521}}^1$

素因数の和:9503532

約数の個数: 16

約数和(自身を含む): 855316980

約数和(自身を除く): 475176140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 9503521, 19007042, 38014084, 47517605, 76028168, 95035210, 190070420, 380140840]

約数ペア:

[(1, 380140840), (2, 190070420), (4, 95035210), (5, 76028168), (8, 47517605), (10, 38014084), (20, 19007042), (40, 9503521)]