12926980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{877}}^1$

素因数の和:964

約数の個数: 48

約数和(自身を含む): 30090816

約数和(自身を除く): 17163836

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 67, 110, 134, 220, 268, 335, 670, 737, 877, 1340, 1474, 1754, 2948, 3508, 3685, 4385, 7370, 8770, 9647, 14740, 17540, 19294, 38588, 48235, 58759, 96470, 117518, 192940, 235036, 293795, 587590, 646349, 1175180, 1292698, 2585396, 3231745, 6463490, 12926980]

約数ペア:

[(1, 12926980), (2, 6463490), (4, 3231745), (5, 2585396), (10, 1292698), (11, 1175180), (20, 646349), (22, 587590), (44, 293795), (55, 235036), (67, 192940), (110, 117518), (134, 96470), (220, 58759), (268, 48235), (335, 38588), (670, 19294), (737, 17540), (877, 14740), (1340, 9647), (1474, 8770), (1754, 7370), (2948, 4385), (3508, 3685)]