69904640

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4201}}^1$

素因数の和:4235

約数の個数: 72

約数和(自身を含む): 180366648

約数和(自身を除く): 110462008

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, 520, 640, 832, 1040, 1280, 1664, 2080, 3328, 4160, 4201, 8320, 8402, 16640, 16804, 21005, 33608, 42010, 54613, 67216, 84020, 109226, 134432, 168040, 218452, 268864, 273065, 336080, 436904, 537728, 546130, 672160, 873808, 1075456, 1092260, 1344320, 1747616, 2184520, 2688640, 3495232, 4369040, 5377280, 6990464, 8738080, 13980928, 17476160, 34952320, 69904640]

約数ペア:

[(1, 69904640), (2, 34952320), (4, 17476160), (5, 13980928), (8, 8738080), (10, 6990464), (13, 5377280), (16, 4369040), (20, 3495232), (26, 2688640), (32, 2184520), (40, 1747616), (52, 1344320), (64, 1092260), (65, 1075456), (80, 873808), (104, 672160), (128, 546130), (130, 537728), (160, 436904), (208, 336080), (256, 273065), (260, 268864), (320, 218452), (416, 168040), (520, 134432), (640, 109226), (832, 84020), (1040, 67216), (1280, 54613), (1664, 42010), (2080, 33608), (3328, 21005), (4160, 16804), (4201, 16640), (8320, 8402)]