7998080

素因数分解:

$2^7\times 5^1\times {\mathrm{12497}}^1$

素因数の和:12516

約数の個数: 32

約数和(自身を含む): 19121940

約数和(自身を除く): 11123860

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 12497, 24994, 49988, 62485, 99976, 124970, 199952, 249940, 399904, 499880, 799808, 999760, 1599616, 1999520, 3999040, 7998080]

約数ペア:

[(1, 7998080), (2, 3999040), (4, 1999520), (5, 1599616), (8, 999760), (10, 799808), (16, 499880), (20, 399904), (32, 249940), (40, 199952), (64, 124970), (80, 99976), (128, 62485), (160, 49988), (320, 24994), (640, 12497)]