80395510

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{521}}^1\times {\mathrm{1187}}^1$

素因数の和:1728

約数の個数: 32

約数和(自身を含む): 156274272

約数和(自身を除く): 75878762

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 521, 1042, 1187, 2374, 2605, 5210, 5935, 6773, 11870, 13546, 15431, 30862, 33865, 67730, 77155, 154310, 618427, 1236854, 3092135, 6184270, 8039551, 16079102, 40197755, 80395510]

約数ペア:

[(1, 80395510), (2, 40197755), (5, 16079102), (10, 8039551), (13, 6184270), (26, 3092135), (65, 1236854), (130, 618427), (521, 154310), (1042, 77155), (1187, 67730), (2374, 33865), (2605, 30862), (5210, 15431), (5935, 13546), (6773, 11870)]