13578520

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{4297}}^1$

素因数の和:4387

約数の個数: 32

約数和(自身を含む): 30945600

約数和(自身を除く): 17367080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 4297, 8594, 17188, 21485, 34376, 42970, 85940, 171880, 339463, 678926, 1357852, 1697315, 2715704, 3394630, 6789260, 13578520]

約数ペア:

[(1, 13578520), (2, 6789260), (4, 3394630), (5, 2715704), (8, 1697315), (10, 1357852), (20, 678926), (40, 339463), (79, 171880), (158, 85940), (316, 42970), (395, 34376), (632, 21485), (790, 17188), (1580, 8594), (3160, 4297)]