83640260

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{8089}}^1$

素因数の和:8156

約数の個数: 48

約数和(自身を含む): 195713280

約数和(自身を除く): 112073020

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 47, 55, 94, 110, 188, 220, 235, 470, 517, 940, 1034, 2068, 2585, 5170, 8089, 10340, 16178, 32356, 40445, 80890, 88979, 161780, 177958, 355916, 380183, 444895, 760366, 889790, 1520732, 1779580, 1900915, 3801830, 4182013, 7603660, 8364026, 16728052, 20910065, 41820130, 83640260]

約数ペア:

[(1, 83640260), (2, 41820130), (4, 20910065), (5, 16728052), (10, 8364026), (11, 7603660), (20, 4182013), (22, 3801830), (44, 1900915), (47, 1779580), (55, 1520732), (94, 889790), (110, 760366), (188, 444895), (220, 380183), (235, 355916), (470, 177958), (517, 161780), (940, 88979), (1034, 80890), (2068, 40445), (2585, 32356), (5170, 16178), (8089, 10340)]