168766280

素因数分解:

$2^3\times 5^1\times {\mathrm{1229}}^1\times {\mathrm{3433}}^1$

素因数の和:4673

約数の個数: 32

約数和(自身を含む): 380143800

約数和(自身を除く): 211377520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1229, 2458, 3433, 4916, 6145, 6866, 9832, 12290, 13732, 17165, 24580, 27464, 34330, 49160, 68660, 137320, 4219157, 8438314, 16876628, 21095785, 33753256, 42191570, 84383140, 168766280]

約数ペア:

[(1, 168766280), (2, 84383140), (4, 42191570), (5, 33753256), (8, 21095785), (10, 16876628), (20, 8438314), (40, 4219157), (1229, 137320), (2458, 68660), (3433, 49160), (4916, 34330), (6145, 27464), (6866, 24580), (9832, 17165), (12290, 13732)]