90855760

素因数分解:

$2^4\times 5^1\times {\mathrm{607}}^1\times {\mathrm{1871}}^1$

素因数の和:2491

約数の個数: 40

約数和(自身を含む): 211700736

約数和(自身を除く): 120844976

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 607, 1214, 1871, 2428, 3035, 3742, 4856, 6070, 7484, 9355, 9712, 12140, 14968, 18710, 24280, 29936, 37420, 48560, 74840, 149680, 1135697, 2271394, 4542788, 5678485, 9085576, 11356970, 18171152, 22713940, 45427880, 90855760]

約数ペア:

[(1, 90855760), (2, 45427880), (4, 22713940), (5, 18171152), (8, 11356970), (10, 9085576), (16, 5678485), (20, 4542788), (40, 2271394), (80, 1135697), (607, 149680), (1214, 74840), (1871, 48560), (2428, 37420), (3035, 29936), (3742, 24280), (4856, 18710), (6070, 14968), (7484, 12140), (9355, 9712)]