15764920

素因数分解:

$2^3\times 5^1\times {\mathrm{394123}}^1$

素因数の和:394134

約数の個数: 16

約数和(自身を含む): 35471160

約数和(自身を除く): 19706240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 394123, 788246, 1576492, 1970615, 3152984, 3941230, 7882460, 15764920]

約数ペア:

[(1, 15764920), (2, 7882460), (4, 3941230), (5, 3152984), (8, 1970615), (10, 1576492), (20, 788246), (40, 394123)]