65771120

素因数分解:

$2^4\times 5^1\times {\mathrm{822139}}^1$

素因数の和:822152

約数の個数: 20

約数和(自身を含む): 152918040

約数和(自身を除く): 87146920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 822139, 1644278, 3288556, 4110695, 6577112, 8221390, 13154224, 16442780, 32885560, 65771120]

約数ペア:

[(1, 65771120), (2, 32885560), (4, 16442780), (5, 13154224), (8, 8221390), (10, 6577112), (16, 4110695), (20, 3288556), (40, 1644278), (80, 822139)]