90403760

素因数分解:

$2^4\times 5^1\times {\mathrm{1130047}}^1$

素因数の和:1130060

約数の個数: 20

約数和(自身を含む): 210188928

約数和(自身を除く): 119785168

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1130047, 2260094, 4520188, 5650235, 9040376, 11300470, 18080752, 22600940, 45201880, 90403760]

約数ペア:

[(1, 90403760), (2, 45201880), (4, 22600940), (5, 18080752), (8, 11300470), (10, 9040376), (16, 5650235), (20, 4520188), (40, 2260094), (80, 1130047)]