90906160

素因数分解:

$2^4\times 5^1\times {\mathrm{1136327}}^1$

素因数の和:1136340

約数の個数: 20

約数和(自身を含む): 211357008

約数和(自身を除く): 120450848

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1136327, 2272654, 4545308, 5681635, 9090616, 11363270, 18181232, 22726540, 45453080, 90906160]

約数ペア:

[(1, 90906160), (2, 45453080), (4, 22726540), (5, 18181232), (8, 11363270), (10, 9090616), (16, 5681635), (20, 4545308), (40, 2272654), (80, 1136327)]