80862080

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{9719}}^1$

素因数の和:9751

約数の個数: 64

約数和(自身を含む): 208202400

約数和(自身を除く): 127340320

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, 9719, 19438, 38876, 48595, 77752, 97190, 126347, 155504, 194380, 252694, 311008, 388760, 505388, 622016, 631735, 777520, 1010776, 1244032, 1263470, 1555040, 2021552, 2526940, 3110080, 4043104, 5053880, 6220160, 8086208, 10107760, 16172416, 20215520, 40431040, 80862080]

約数ペア:

[(1, 80862080), (2, 40431040), (4, 20215520), (5, 16172416), (8, 10107760), (10, 8086208), (13, 6220160), (16, 5053880), (20, 4043104), (26, 3110080), (32, 2526940), (40, 2021552), (52, 1555040), (64, 1263470), (65, 1244032), (80, 1010776), (104, 777520), (128, 631735), (130, 622016), (160, 505388), (208, 388760), (260, 311008), (320, 252694), (416, 194380), (520, 155504), (640, 126347), (832, 97190), (1040, 77752), (1664, 48595), (2080, 38876), (4160, 19438), (8320, 9719)]