66491120

素因数分解:

$2^4\times 5^1\times {\mathrm{831139}}^1$

素因数の和:831152

約数の個数: 20

約数和(自身を含む): 154592040

約数和(自身を除く): 88100920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 831139, 1662278, 3324556, 4155695, 6649112, 8311390, 13298224, 16622780, 33245560, 66491120]

約数ペア:

[(1, 66491120), (2, 33245560), (4, 16622780), (5, 13298224), (8, 8311390), (10, 6649112), (16, 4155695), (20, 3324556), (40, 1662278), (80, 831139)]