66686540

素因数分解:

$2^2\times 5^1\times {\mathrm{307}}^1\times {\mathrm{10861}}^1$

素因数の和:11177

約数の個数: 24

約数和(自身を含む): 140510832

約数和(自身を除く): 73824292

約数列:

[1, 2, 4, 5, 10, 20, 307, 614, 1228, 1535, 3070, 6140, 10861, 21722, 43444, 54305, 108610, 217220, 3334327, 6668654, 13337308, 16671635, 33343270, 66686540]

約数ペア:

[(1, 66686540), (2, 33343270), (4, 16671635), (5, 13337308), (10, 6668654), (20, 3334327), (307, 217220), (614, 108610), (1228, 54305), (1535, 43444), (3070, 21722), (6140, 10861)]