80271160

素因数分解:

$2^3\times 5^1\times {\mathrm{2006779}}^1$

素因数の和:2006790

約数の個数: 16

約数和(自身を含む): 180610200

約数和(自身を除く): 100339040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2006779, 4013558, 8027116, 10033895, 16054232, 20067790, 40135580, 80271160]

約数ペア:

[(1, 80271160), (2, 40135580), (4, 20067790), (5, 16054232), (8, 10033895), (10, 8027116), (20, 4013558), (40, 2006779)]