664360280

素因数分解:

$2^3\times 5^1\times {\mathrm{307}}^1\times {\mathrm{54101}}^1$

素因数の和:54419

約数の個数: 32

約数和(自身を含む): 1499707440

約数和(自身を除く): 835347160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 307, 614, 1228, 1535, 2456, 3070, 6140, 12280, 54101, 108202, 216404, 270505, 432808, 541010, 1082020, 2164040, 16609007, 33218014, 66436028, 83045035, 132872056, 166090070, 332180140, 664360280]

約数ペア:

[(1, 664360280), (2, 332180140), (4, 166090070), (5, 132872056), (8, 83045035), (10, 66436028), (20, 33218014), (40, 16609007), (307, 2164040), (614, 1082020), (1228, 541010), (1535, 432808), (2456, 270505), (3070, 216404), (6140, 108202), (12280, 54101)]