82487320

素因数分解:

$2^3\times 5^1\times {\mathrm{263}}^1\times {\mathrm{7841}}^1$

素因数の和:8115

約数の個数: 32

約数和(自身を含む): 186325920

約数和(自身を除く): 103838600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 263, 526, 1052, 1315, 2104, 2630, 5260, 7841, 10520, 15682, 31364, 39205, 62728, 78410, 156820, 313640, 2062183, 4124366, 8248732, 10310915, 16497464, 20621830, 41243660, 82487320]

約数ペア:

[(1, 82487320), (2, 41243660), (4, 20621830), (5, 16497464), (8, 10310915), (10, 8248732), (20, 4124366), (40, 2062183), (263, 313640), (526, 156820), (1052, 78410), (1315, 62728), (2104, 39205), (2630, 31364), (5260, 15682), (7841, 10520)]