66944380

素因数分解:

$2^2\times 5^1\times {\mathrm{1789}}^1\times {\mathrm{1871}}^1$

素因数の和:3669

約数の個数: 24

約数和(自身を含む): 140736960

約数和(自身を除く): 73792580

約数列:

[1, 2, 4, 5, 10, 20, 1789, 1871, 3578, 3742, 7156, 7484, 8945, 9355, 17890, 18710, 35780, 37420, 3347219, 6694438, 13388876, 16736095, 33472190, 66944380]

約数ペア:

[(1, 66944380), (2, 33472190), (4, 16736095), (5, 13388876), (10, 6694438), (20, 3347219), (1789, 37420), (1871, 35780), (3578, 18710), (3742, 17890), (7156, 9355), (7484, 8945)]