28701920

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{13799}}^1$

素因数の和:13827

約数の個数: 48

約数和(自身を含む): 73029600

約数和(自身を除く): 44327680

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 13799, 27598, 55196, 68995, 110392, 137990, 179387, 220784, 275980, 358774, 441568, 551960, 717548, 896935, 1103920, 1435096, 1793870, 2207840, 2870192, 3587740, 5740384, 7175480, 14350960, 28701920]

約数ペア:

[(1, 28701920), (2, 14350960), (4, 7175480), (5, 5740384), (8, 3587740), (10, 2870192), (13, 2207840), (16, 1793870), (20, 1435096), (26, 1103920), (32, 896935), (40, 717548), (52, 551960), (65, 441568), (80, 358774), (104, 275980), (130, 220784), (160, 179387), (208, 137990), (260, 110392), (416, 68995), (520, 55196), (1040, 27598), (2080, 13799)]