520013660

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{33377}}^1$

素因数の和:33446

約数の個数: 48

約数和(自身を含む): 1177575840

約数和(自身を除く): 657562180

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 41, 76, 82, 95, 164, 190, 205, 380, 410, 779, 820, 1558, 3116, 3895, 7790, 15580, 33377, 66754, 133508, 166885, 333770, 634163, 667540, 1268326, 1368457, 2536652, 2736914, 3170815, 5473828, 6341630, 6842285, 12683260, 13684570, 26000683, 27369140, 52001366, 104002732, 130003415, 260006830, 520013660]

約数ペア:

[(1, 520013660), (2, 260006830), (4, 130003415), (5, 104002732), (10, 52001366), (19, 27369140), (20, 26000683), (38, 13684570), (41, 12683260), (76, 6842285), (82, 6341630), (95, 5473828), (164, 3170815), (190, 2736914), (205, 2536652), (380, 1368457), (410, 1268326), (779, 667540), (820, 634163), (1558, 333770), (3116, 166885), (3895, 133508), (7790, 66754), (15580, 33377)]