78199760

素因数分解:

$2^4\times 5^1\times {\mathrm{271}}^1\times {\mathrm{3607}}^1$

素因数の和:3891

約数の個数: 40

約数和(自身を含む): 182535936

約数和(自身を除く): 104336176

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 271, 542, 1084, 1355, 2168, 2710, 3607, 4336, 5420, 7214, 10840, 14428, 18035, 21680, 28856, 36070, 57712, 72140, 144280, 288560, 977497, 1954994, 3909988, 4887485, 7819976, 9774970, 15639952, 19549940, 39099880, 78199760]

約数ペア:

[(1, 78199760), (2, 39099880), (4, 19549940), (5, 15639952), (8, 9774970), (10, 7819976), (16, 4887485), (20, 3909988), (40, 1954994), (80, 977497), (271, 288560), (542, 144280), (1084, 72140), (1355, 57712), (2168, 36070), (2710, 28856), (3607, 21680), (4336, 18035), (5420, 14428), (7214, 10840)]