81146939.000000000

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^2\times {\mathrm{5233}}^1$

素因数の和:5304

約数の個数: 36

約数和(自身を含む): 218289204

約数和(自身を除く): 117710944

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 961, 1922, 3844, 4805, 5233, 9610, 10466, 19220, 20932, 26165, 52330, 104660, 162223, 324446, 648892, 811115, 1622230, 3244460, 5028913, 10057826, 20115652, 25144565, 50289130, 100578260]

約数ペア:

[(1, 100578260), (2, 50289130), (4, 25144565), (5, 20115652), (10, 10057826), (20, 5028913), (31, 3244460), (62, 1622230), (124, 811115), (155, 648892), (310, 324446), (620, 162223), (961, 104660), (1922, 52330), (3844, 26165), (4805, 20932), (5233, 19220), (9610, 10466)]