71319040

素因数分解:

$2^9\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2143}}^1$

素因数の和:2179

約数の個数: 80

約数和(自身を含む): 184238208

約数和(自身を除く): 112919168

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 256, 260, 320, 416, 512, 520, 640, 832, 1040, 1280, 1664, 2080, 2143, 2560, 3328, 4160, 4286, 6656, 8320, 8572, 10715, 16640, 17144, 21430, 27859, 33280, 34288, 42860, 55718, 68576, 85720, 111436, 137152, 139295, 171440, 222872, 274304, 278590, 342880, 445744, 548608, 557180, 685760, 891488, 1097216, 1114360, 1371520, 1782976, 2228720, 2743040, 3565952, 4457440, 5486080, 7131904, 8914880, 14263808, 17829760, 35659520, 71319040]

約数ペア:

[(1, 71319040), (2, 35659520), (4, 17829760), (5, 14263808), (8, 8914880), (10, 7131904), (13, 5486080), (16, 4457440), (20, 3565952), (26, 2743040), (32, 2228720), (40, 1782976), (52, 1371520), (64, 1114360), (65, 1097216), (80, 891488), (104, 685760), (128, 557180), (130, 548608), (160, 445744), (208, 342880), (256, 278590), (260, 274304), (320, 222872), (416, 171440), (512, 139295), (520, 137152), (640, 111436), (832, 85720), (1040, 68576), (1280, 55718), (1664, 42860), (2080, 34288), (2143, 33280), (2560, 27859), (3328, 21430), (4160, 17144), (4286, 16640), (6656, 10715), (8320, 8572)]