201660280

素因数分解:

$2^3\times 5^1\times {\mathrm{617}}^1\times {\mathrm{8171}}^1$

素因数の和:8799

約数の個数: 32

約数和(自身を含む): 454526640

約数和(自身を除く): 252866360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 617, 1234, 2468, 3085, 4936, 6170, 8171, 12340, 16342, 24680, 32684, 40855, 65368, 81710, 163420, 326840, 5041507, 10083014, 20166028, 25207535, 40332056, 50415070, 100830140, 201660280]

約数ペア:

[(1, 201660280), (2, 100830140), (4, 50415070), (5, 40332056), (8, 25207535), (10, 20166028), (20, 10083014), (40, 5041507), (617, 326840), (1234, 163420), (2468, 81710), (3085, 65368), (4936, 40855), (6170, 32684), (8171, 24680), (12340, 16342)]