1669902680

素因数分解:

$2^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{328721}}^1$

素因数の和:328859

約数の個数: 32

約数和(自身を含む): 3786877440

約数和(自身を除く): 2116974760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 127, 254, 508, 635, 1016, 1270, 2540, 5080, 328721, 657442, 1314884, 1643605, 2629768, 3287210, 6574420, 13148840, 41747567, 83495134, 166990268, 208737835, 333980536, 417475670, 834951340, 1669902680]

約数ペア:

[(1, 1669902680), (2, 834951340), (4, 417475670), (5, 333980536), (8, 208737835), (10, 166990268), (20, 83495134), (40, 41747567), (127, 13148840), (254, 6574420), (508, 3287210), (635, 2629768), (1016, 1643605), (1270, 1314884), (2540, 657442), (5080, 328721)]