135049840

素因数分解:

$2^4\times 5^1\times {\mathrm{1688123}}^1$

素因数の和:1688136

約数の個数: 20

約数和(自身を含む): 313991064

約数和(自身を除く): 178941224

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1688123, 3376246, 6752492, 8440615, 13504984, 16881230, 27009968, 33762460, 67524920, 135049840]

約数ペア:

[(1, 135049840), (2, 67524920), (4, 33762460), (5, 27009968), (8, 16881230), (10, 13504984), (16, 8440615), (20, 6752492), (40, 3376246), (80, 1688123)]