42097520

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{6661}}^1$

素因数の和:6753

約数の個数: 40

約数和(自身を含む): 99130560

約数和(自身を除く): 57033040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 316, 395, 632, 790, 1264, 1580, 3160, 6320, 6661, 13322, 26644, 33305, 53288, 66610, 106576, 133220, 266440, 526219, 532880, 1052438, 2104876, 2631095, 4209752, 5262190, 8419504, 10524380, 21048760, 42097520]

約数ペア:

[(1, 42097520), (2, 21048760), (4, 10524380), (5, 8419504), (8, 5262190), (10, 4209752), (16, 2631095), (20, 2104876), (40, 1052438), (79, 532880), (80, 526219), (158, 266440), (316, 133220), (395, 106576), (632, 66610), (790, 53288), (1264, 33305), (1580, 26644), (3160, 13322), (6320, 6661)]