21952803640

素因数分解:

$2^3\times 5^1\times {\mathrm{548820091}}^1$

素因数の和:548820102

約数の個数: 16

約数和(自身を含む): 49393808280

約数和(自身を除く): 27441004640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 548820091, 1097640182, 2195280364, 2744100455, 4390560728, 5488200910, 10976401820, 21952803640]

約数ペア:

[(1, 21952803640), (2, 10976401820), (4, 5488200910), (5, 4390560728), (8, 2744100455), (10, 2195280364), (20, 1097640182), (40, 548820091)]