53990990

素因数分解:

$2^1\times 5^1\times {\mathrm{269}}^1\times {\mathrm{20071}}^1$

素因数の和:20347

約数の個数: 16

約数和(自身を含む): 97549920

約数和(自身を除く): 43558930

約数列:

[1, 2, 5, 10, 269, 538, 1345, 2690, 20071, 40142, 100355, 200710, 5399099, 10798198, 26995495, 53990990]

約数ペア:

[(1, 53990990), (2, 26995495), (5, 10798198), (10, 5399099), (269, 200710), (538, 100355), (1345, 40142), (2690, 20071)]