145591280

素因数分解:

$2^4\times 5^1\times {\mathrm{1819891}}^1$

素因数の和:1819904

約数の個数: 20

約数和(自身を含む): 338499912

約数和(自身を除く): 192908632

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1819891, 3639782, 7279564, 9099455, 14559128, 18198910, 29118256, 36397820, 72795640, 145591280]

約数ペア:

[(1, 145591280), (2, 72795640), (4, 36397820), (5, 29118256), (8, 18198910), (10, 14559128), (16, 9099455), (20, 7279564), (40, 3639782), (80, 1819891)]