80436356

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{20089}}^1$

素因数の和:20124

約数の個数: 48

約数和(自身を含む): 189006720

約数和(自身を除く): 108570364

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 44, 52, 77, 91, 143, 154, 182, 286, 308, 364, 572, 1001, 2002, 4004, 20089, 40178, 80356, 140623, 220979, 261157, 281246, 441958, 522314, 562492, 883916, 1044628, 1546853, 1828099, 2872727, 3093706, 3656198, 5745454, 6187412, 7312396, 11490908, 20109089, 40218178, 80436356]

約数ペア:

[(1, 80436356), (2, 40218178), (4, 20109089), (7, 11490908), (11, 7312396), (13, 6187412), (14, 5745454), (22, 3656198), (26, 3093706), (28, 2872727), (44, 1828099), (52, 1546853), (77, 1044628), (91, 883916), (143, 562492), (154, 522314), (182, 441958), (286, 281246), (308, 261157), (364, 220979), (572, 140623), (1001, 80356), (2002, 40178), (4004, 20089)]