66958280

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^2\times {\mathrm{4637}}^1$

素因数の和:4686

約数の個数: 48

約数和(自身を含む): 159037020

約数和(自身を除く): 92078740

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 361, 380, 722, 760, 1444, 1805, 2888, 3610, 4637, 7220, 9274, 14440, 18548, 23185, 37096, 46370, 88103, 92740, 176206, 185480, 352412, 440515, 704824, 881030, 1673957, 1762060, 3347914, 3524120, 6695828, 8369785, 13391656, 16739570, 33479140, 66958280]

約数ペア:

[(1, 66958280), (2, 33479140), (4, 16739570), (5, 13391656), (8, 8369785), (10, 6695828), (19, 3524120), (20, 3347914), (38, 1762060), (40, 1673957), (76, 881030), (95, 704824), (152, 440515), (190, 352412), (361, 185480), (380, 176206), (722, 92740), (760, 88103), (1444, 46370), (1805, 37096), (2888, 23185), (3610, 18548), (4637, 14440), (7220, 9274)]