2908804760

素因数分解:

$2^3\times 5^1\times {\mathrm{72720119}}^1$

素因数の和:72720130

約数の個数: 16

約数和(自身を含む): 6544810800

約数和(自身を除く): 3636006040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 72720119, 145440238, 290880476, 363600595, 581760952, 727201190, 1454402380, 2908804760]

約数ペア:

[(1, 2908804760), (2, 1454402380), (4, 727201190), (5, 581760952), (8, 363600595), (10, 290880476), (20, 145440238), (40, 72720119)]