25771120

素因数分解:

$2^4\times 5^1\times {\mathrm{322139}}^1$

素因数の和:322152

約数の個数: 20

約数和(自身を含む): 59918040

約数和(自身を除く): 34146920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 322139, 644278, 1288556, 1610695, 2577112, 3221390, 5154224, 6442780, 12885560, 25771120]

約数ペア:

[(1, 25771120), (2, 12885560), (4, 6442780), (5, 5154224), (8, 3221390), (10, 2577112), (16, 1610695), (20, 1288556), (40, 644278), (80, 322139)]