12972152960

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1559153}}^1$

素因数の和:1559185

約数の個数: 64

約数和(自身を含む): 33397078680

約数和(自身を除く): 20424925720

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 260, 320, 416, 520, 640, 832, 1040, 1664, 2080, 4160, 8320, 1559153, 3118306, 6236612, 7795765, 12473224, 15591530, 20268989, 24946448, 31183060, 40537978, 49892896, 62366120, 81075956, 99785792, 101344945, 124732240, 162151912, 199571584, 202689890, 249464480, 324303824, 405379780, 498928960, 648607648, 810759560, 997857920, 1297215296, 1621519120, 2594430592, 3243038240, 6486076480, 12972152960]

約数ペア:

[(1, 12972152960), (2, 6486076480), (4, 3243038240), (5, 2594430592), (8, 1621519120), (10, 1297215296), (13, 997857920), (16, 810759560), (20, 648607648), (26, 498928960), (32, 405379780), (40, 324303824), (52, 249464480), (64, 202689890), (65, 199571584), (80, 162151912), (104, 124732240), (128, 101344945), (130, 99785792), (160, 81075956), (208, 62366120), (260, 49892896), (320, 40537978), (416, 31183060), (520, 24946448), (640, 20268989), (832, 15591530), (1040, 12473224), (1664, 7795765), (2080, 6236612), (4160, 3118306), (8320, 1559153)]