85879040

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^2\times {\mathrm{397}}^1$

素因数の和:444

約数の個数: 108

約数和(自身を含む): 223309044

約数和(自身を除く): 137430004

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 169, 208, 256, 260, 320, 338, 397, 416, 520, 640, 676, 794, 832, 845, 1040, 1280, 1352, 1588, 1664, 1690, 1985, 2080, 2704, 3176, 3328, 3380, 3970, 4160, 5161, 5408, 6352, 6760, 7940, 8320, 10322, 10816, 12704, 13520, 15880, 16640, 20644, 21632, 25408, 25805, 27040, 31760, 41288, 43264, 50816, 51610, 54080, 63520, 67093, 82576, 101632, 103220, 108160, 127040, 134186, 165152, 206440, 216320, 254080, 268372, 330304, 335465, 412880, 508160, 536744, 660608, 670930, 825760, 1073488, 1321216, 1341860, 1651520, 2146976, 2683720, 3303040, 4293952, 5367440, 6606080, 8587904, 10734880, 17175808, 21469760, 42939520, 85879040]

約数ペア:

[(1, 85879040), (2, 42939520), (4, 21469760), (5, 17175808), (8, 10734880), (10, 8587904), (13, 6606080), (16, 5367440), (20, 4293952), (26, 3303040), (32, 2683720), (40, 2146976), (52, 1651520), (64, 1341860), (65, 1321216), (80, 1073488), (104, 825760), (128, 670930), (130, 660608), (160, 536744), (169, 508160), (208, 412880), (256, 335465), (260, 330304), (320, 268372), (338, 254080), (397, 216320), (416, 206440), (520, 165152), (640, 134186), (676, 127040), (794, 108160), (832, 103220), (845, 101632), (1040, 82576), (1280, 67093), (1352, 63520), (1588, 54080), (1664, 51610), (1690, 50816), (1985, 43264), (2080, 41288), (2704, 31760), (3176, 27040), (3328, 25805), (3380, 25408), (3970, 21632), (4160, 20644), (5161, 16640), (5408, 15880), (6352, 13520), (6760, 12704), (7940, 10816), (8320, 10322)]