2016197140

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{157}}^1\times {\mathrm{15661}}^1$

素因数の和:15868

約数の個数: 48

約数和(自身を含む): 4365187344

約数和(自身を除く): 2348990204

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 157, 164, 205, 314, 410, 628, 785, 820, 1570, 3140, 6437, 12874, 15661, 25748, 31322, 32185, 62644, 64370, 78305, 128740, 156610, 313220, 642101, 1284202, 2458777, 2568404, 3210505, 4917554, 6421010, 9835108, 12293885, 12842020, 24587770, 49175540, 100809857, 201619714, 403239428, 504049285, 1008098570, 2016197140]

約数ペア:

[(1, 2016197140), (2, 1008098570), (4, 504049285), (5, 403239428), (10, 201619714), (20, 100809857), (41, 49175540), (82, 24587770), (157, 12842020), (164, 12293885), (205, 9835108), (314, 6421010), (410, 4917554), (628, 3210505), (785, 2568404), (820, 2458777), (1570, 1284202), (3140, 642101), (6437, 313220), (12874, 156610), (15661, 128740), (25748, 78305), (31322, 64370), (32185, 62644)]