85205216

素因数分解:

$2^5\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{643}}^1$

素因数の和:795

約数の個数: 48

約数和(自身を含む): 173810448

約数和(自身を除く): 88605232

約数列:

[1, 2, 4, 8, 16, 32, 41, 82, 101, 164, 202, 328, 404, 643, 656, 808, 1286, 1312, 1616, 2572, 3232, 4141, 5144, 8282, 10288, 16564, 20576, 26363, 33128, 52726, 64943, 66256, 105452, 129886, 132512, 210904, 259772, 421808, 519544, 843616, 1039088, 2078176, 2662663, 5325326, 10650652, 21301304, 42602608, 85205216]

約数ペア:

[(1, 85205216), (2, 42602608), (4, 21301304), (8, 10650652), (16, 5325326), (32, 2662663), (41, 2078176), (82, 1039088), (101, 843616), (164, 519544), (202, 421808), (328, 259772), (404, 210904), (643, 132512), (656, 129886), (808, 105452), (1286, 66256), (1312, 64943), (1616, 52726), (2572, 33128), (3232, 26363), (4141, 20576), (5144, 16564), (8282, 10288)]