80865356

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{1297}}^1$

素因数の和:1434

約数の個数: 48

約数和(自身を含む): 167909280

約数和(自身を除く): 87043924

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 109, 143, 218, 286, 436, 572, 1199, 1297, 1417, 2398, 2594, 2834, 4796, 5188, 5668, 14267, 15587, 16861, 28534, 31174, 33722, 57068, 62348, 67444, 141373, 185471, 282746, 370942, 565492, 741884, 1555103, 1837849, 3110206, 3675698, 6220412, 7351396, 20216339, 40432678, 80865356]

約数ペア:

[(1, 80865356), (2, 40432678), (4, 20216339), (11, 7351396), (13, 6220412), (22, 3675698), (26, 3110206), (44, 1837849), (52, 1555103), (109, 741884), (143, 565492), (218, 370942), (286, 282746), (436, 185471), (572, 141373), (1199, 67444), (1297, 62348), (1417, 57068), (2398, 33722), (2594, 31174), (2834, 28534), (4796, 16861), (5188, 15587), (5668, 14267)]