81333392620

素因数分解:

$2^2\times 5^1\times {\mathrm{271}}^1\times {\mathrm{2719}}^1\times {\mathrm{5519}}^1$

素因数の和:8518

約数の個数: 48

約数和(自身を含む): 171524505600

約数和(自身を除く): 90191112980

約数列:

[1, 2, 4, 5, 10, 20, 271, 542, 1084, 1355, 2710, 2719, 5420, 5438, 5519, 10876, 11038, 13595, 22076, 27190, 27595, 54380, 55190, 110380, 736849, 1473698, 1495649, 2947396, 2991298, 3684245, 5982596, 7368490, 7478245, 14736980, 14956490, 15006161, 29912980, 30012322, 60024644, 75030805, 150061610, 300123220, 4066669631, 8133339262, 16266678524, 20333348155, 40666696310, 81333392620]

約数ペア:

[(1, 81333392620), (2, 40666696310), (4, 20333348155), (5, 16266678524), (10, 8133339262), (20, 4066669631), (271, 300123220), (542, 150061610), (1084, 75030805), (1355, 60024644), (2710, 30012322), (2719, 29912980), (5420, 15006161), (5438, 14956490), (5519, 14736980), (10876, 7478245), (11038, 7368490), (13595, 5982596), (22076, 3684245), (27190, 2991298), (27595, 2947396), (54380, 1495649), (55190, 1473698), (110380, 736849)]