84681560

素因数分解:

$2^3\times 5^1\times {\mathrm{2117039}}^1$

素因数の和:2117050

約数の個数: 16

約数和(自身を含む): 190533600

約数和(自身を除く): 105852040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2117039, 4234078, 8468156, 10585195, 16936312, 21170390, 42340780, 84681560]

約数ペア:

[(1, 84681560), (2, 42340780), (4, 21170390), (5, 16936312), (8, 10585195), (10, 8468156), (20, 4234078), (40, 2117039)]