4083920

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{719}}^1$

素因数の和:803

約数の個数: 40

約数和(自身を含む): 9642240

約数和(自身を除く): 5558320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 719, 1136, 1420, 1438, 2840, 2876, 3595, 5680, 5752, 7190, 11504, 14380, 28760, 51049, 57520, 102098, 204196, 255245, 408392, 510490, 816784, 1020980, 2041960, 4083920]

約数ペア:

[(1, 4083920), (2, 2041960), (4, 1020980), (5, 816784), (8, 510490), (10, 408392), (16, 255245), (20, 204196), (40, 102098), (71, 57520), (80, 51049), (142, 28760), (284, 14380), (355, 11504), (568, 7190), (710, 5752), (719, 5680), (1136, 3595), (1420, 2876), (1438, 2840)]