7776280

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{3187}}^1$

素因数の和:3259

約数の個数: 32

約数和(自身を含む): 17789040

約数和(自身を除く): 10012760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 3187, 6374, 12748, 15935, 25496, 31870, 63740, 127480, 194407, 388814, 777628, 972035, 1555256, 1944070, 3888140, 7776280]

約数ペア:

[(1, 7776280), (2, 3888140), (4, 1944070), (5, 1555256), (8, 972035), (10, 777628), (20, 388814), (40, 194407), (61, 127480), (122, 63740), (244, 31870), (305, 25496), (488, 15935), (610, 12748), (1220, 6374), (2440, 3187)]