7921520

素因数分解:

$2^4\times 5^1\times {\mathrm{83}}^1\times {\mathrm{1193}}^1$

素因数の和:1289

約数の個数: 40

約数和(自身を含む): 18655056

約数和(自身を除く): 10733536

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 83, 166, 332, 415, 664, 830, 1193, 1328, 1660, 2386, 3320, 4772, 5965, 6640, 9544, 11930, 19088, 23860, 47720, 95440, 99019, 198038, 396076, 495095, 792152, 990190, 1584304, 1980380, 3960760, 7921520]

約数ペア:

[(1, 7921520), (2, 3960760), (4, 1980380), (5, 1584304), (8, 990190), (10, 792152), (16, 495095), (20, 396076), (40, 198038), (80, 99019), (83, 95440), (166, 47720), (332, 23860), (415, 19088), (664, 11930), (830, 9544), (1193, 6640), (1328, 5965), (1660, 4772), (2386, 3320)]