28855760

素因数分解:

$2^4\times 5^1\times {\mathrm{107}}^1\times {\mathrm{3371}}^1$

素因数の和:3491

約数の個数: 40

約数和(自身を含む): 67736736

約数和(自身を除く): 38880976

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 107, 214, 428, 535, 856, 1070, 1712, 2140, 3371, 4280, 6742, 8560, 13484, 16855, 26968, 33710, 53936, 67420, 134840, 269680, 360697, 721394, 1442788, 1803485, 2885576, 3606970, 5771152, 7213940, 14427880, 28855760]

約数ペア:

[(1, 28855760), (2, 14427880), (4, 7213940), (5, 5771152), (8, 3606970), (10, 2885576), (16, 1803485), (20, 1442788), (40, 721394), (80, 360697), (107, 269680), (214, 134840), (428, 67420), (535, 53936), (856, 33710), (1070, 26968), (1712, 16855), (2140, 13484), (3371, 8560), (4280, 6742)]