65611520

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3943}}^1$

素因数の和:3977

約数の個数: 72

約数和(自身を含む): 169292256

約数和(自身を除く): 103680736

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, 3943, 4160, 7886, 8320, 15772, 16640, 19715, 31544, 39430, 51259, 63088, 78860, 102518, 126176, 157720, 205036, 252352, 256295, 315440, 410072, 504704, 512590, 630880, 820144, 1009408, 1025180, 1261760, 1640288, 2050360, 2523520, 3280576, 4100720, 5047040, 6561152, 8201440, 13122304, 16402880, 32805760, 65611520]

約数ペア:

[(1, 65611520), (2, 32805760), (4, 16402880), (5, 13122304), (8, 8201440), (10, 6561152), (13, 5047040), (16, 4100720), (20, 3280576), (26, 2523520), (32, 2050360), (40, 1640288), (52, 1261760), (64, 1025180), (65, 1009408), (80, 820144), (104, 630880), (128, 512590), (130, 504704), (160, 410072), (208, 315440), (256, 256295), (260, 252352), (320, 205036), (416, 157720), (520, 126176), (640, 102518), (832, 78860), (1040, 63088), (1280, 51259), (1664, 39430), (2080, 31544), (3328, 19715), (3943, 16640), (4160, 15772), (7886, 8320)]