90967280

素因数分解:

$2^4\times 5^1\times {\mathrm{1137091}}^1$

素因数の和:1137104

約数の個数: 20

約数和(自身を含む): 211499112

約数和(自身を除く): 120531832

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1137091, 2274182, 4548364, 5685455, 9096728, 11370910, 18193456, 22741820, 45483640, 90967280]

約数ペア:

[(1, 90967280), (2, 45483640), (4, 22741820), (5, 18193456), (8, 11370910), (10, 9096728), (16, 5685455), (20, 4548364), (40, 2274182), (80, 1137091)]