16191880

素因数分解:

$2^3\times 5^1\times {\mathrm{563}}^1\times {\mathrm{719}}^1$

素因数の和:1293

約数の個数: 32

約数和(自身を含む): 36547200

約数和(自身を除く): 20355320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 563, 719, 1126, 1438, 2252, 2815, 2876, 3595, 4504, 5630, 5752, 7190, 11260, 14380, 22520, 28760, 404797, 809594, 1619188, 2023985, 3238376, 4047970, 8095940, 16191880]

約数ペア:

[(1, 16191880), (2, 8095940), (4, 4047970), (5, 3238376), (8, 2023985), (10, 1619188), (20, 809594), (40, 404797), (563, 28760), (719, 22520), (1126, 14380), (1438, 11260), (2252, 7190), (2815, 5752), (2876, 5630), (3595, 4504)]