16256560

素因数分解:

$2^4\times 5^1\times {\mathrm{203207}}^1$

素因数の和:203220

約数の個数: 20

約数和(自身を含む): 37796688

約数和(自身を除く): 21540128

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 203207, 406414, 812828, 1016035, 1625656, 2032070, 3251312, 4064140, 8128280, 16256560]

約数ペア:

[(1, 16256560), (2, 8128280), (4, 4064140), (5, 3251312), (8, 2032070), (10, 1625656), (16, 1016035), (20, 812828), (40, 406414), (80, 203207)]