81000260

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{283}}^1\times {\mathrm{1301}}^1$

素因数の和:1604

約数の個数: 48

約数和(自身を含む): 186363072

約数和(自身を除く): 105362812

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 283, 566, 1132, 1301, 1415, 2602, 2830, 3113, 5204, 5660, 6226, 6505, 12452, 13010, 14311, 15565, 26020, 28622, 31130, 57244, 62260, 71555, 143110, 286220, 368183, 736366, 1472732, 1840915, 3681830, 4050013, 7363660, 8100026, 16200052, 20250065, 40500130, 81000260]

約数ペア:

[(1, 81000260), (2, 40500130), (4, 20250065), (5, 16200052), (10, 8100026), (11, 7363660), (20, 4050013), (22, 3681830), (44, 1840915), (55, 1472732), (110, 736366), (220, 368183), (283, 286220), (566, 143110), (1132, 71555), (1301, 62260), (1415, 57244), (2602, 31130), (2830, 28622), (3113, 26020), (5204, 15565), (5660, 14311), (6226, 13010), (6505, 12452)]