15443920

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{2719}}^1$

素因数の和:2803

約数の個数: 40

約数和(自身を含む): 36426240

約数和(自身を除く): 20982320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1420, 2719, 2840, 5438, 5680, 10876, 13595, 21752, 27190, 43504, 54380, 108760, 193049, 217520, 386098, 772196, 965245, 1544392, 1930490, 3088784, 3860980, 7721960, 15443920]

約数ペア:

[(1, 15443920), (2, 7721960), (4, 3860980), (5, 3088784), (8, 1930490), (10, 1544392), (16, 965245), (20, 772196), (40, 386098), (71, 217520), (80, 193049), (142, 108760), (284, 54380), (355, 43504), (568, 27190), (710, 21752), (1136, 13595), (1420, 10876), (2719, 5680), (2840, 5438)]