68656640

素因数分解:

$2^9\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2063}}^1$

素因数の和:2099

約数の個数: 80

約数和(自身を含む): 177363648

約数和(自身を除く): 108707008

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, 2063, 2080, 2560, 3328, 4126, 4160, 6656, 8252, 8320, 10315, 16504, 16640, 20630, 26819, 33008, 33280, 41260, 53638, 66016, 82520, 107276, 132032, 134095, 165040, 214552, 264064, 268190, 330080, 429104, 528128, 536380, 660160, 858208, 1056256, 1072760, 1320320, 1716416, 2145520, 2640640, 3432832, 4291040, 5281280, 6865664, 8582080, 13731328, 17164160, 34328320, 68656640]

約数ペア:

[(1, 68656640), (2, 34328320), (4, 17164160), (5, 13731328), (8, 8582080), (10, 6865664), (13, 5281280), (16, 4291040), (20, 3432832), (26, 2640640), (32, 2145520), (40, 1716416), (52, 1320320), (64, 1072760), (65, 1056256), (80, 858208), (104, 660160), (128, 536380), (130, 528128), (160, 429104), (208, 330080), (256, 268190), (260, 264064), (320, 214552), (416, 165040), (512, 134095), (520, 132032), (640, 107276), (832, 82520), (1040, 66016), (1280, 53638), (1664, 41260), (2063, 33280), (2080, 33008), (2560, 26819), (3328, 20630), (4126, 16640), (4160, 16504), (6656, 10315), (8252, 8320)]