90130280

素因数分解:

$2^3\times 5^1\times {\mathrm{2253257}}^1$

素因数の和:2253268

約数の個数: 16

約数和(自身を含む): 202793220

約数和(自身を除く): 112662940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2253257, 4506514, 9013028, 11266285, 18026056, 22532570, 45065140, 90130280]

約数ペア:

[(1, 90130280), (2, 45065140), (4, 22532570), (5, 18026056), (8, 11266285), (10, 9013028), (20, 4506514), (40, 2253257)]