90643390

素因数分解:

$2^1\times 5^1\times {\mathrm{1669}}^1\times {\mathrm{5431}}^1$

素因数の和:7107

約数の個数: 16

約数和(自身を含む): 163285920

約数和(自身を除く): 72642530

約数列:

[1, 2, 5, 10, 1669, 3338, 5431, 8345, 10862, 16690, 27155, 54310, 9064339, 18128678, 45321695, 90643390]

約数ペア:

[(1, 90643390), (2, 45321695), (5, 18128678), (10, 9064339), (1669, 54310), (3338, 27155), (5431, 16690), (8345, 10862)]