158609620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{313}}^1\times {\mathrm{1949}}^1$

素因数の和:2284

約数の個数: 48

約数和(自身を含む): 360032400

約数和(自身を除く): 201422780

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 313, 626, 1252, 1565, 1949, 3130, 3898, 4069, 6260, 7796, 8138, 9745, 16276, 19490, 20345, 25337, 38980, 40690, 50674, 81380, 101348, 126685, 253370, 506740, 610037, 1220074, 2440148, 3050185, 6100370, 7930481, 12200740, 15860962, 31721924, 39652405, 79304810, 158609620]

約数ペア:

[(1, 158609620), (2, 79304810), (4, 39652405), (5, 31721924), (10, 15860962), (13, 12200740), (20, 7930481), (26, 6100370), (52, 3050185), (65, 2440148), (130, 1220074), (260, 610037), (313, 506740), (626, 253370), (1252, 126685), (1565, 101348), (1949, 81380), (3130, 50674), (3898, 40690), (4069, 38980), (6260, 25337), (7796, 20345), (8138, 19490), (9745, 16276)]