65047240

素因数分解:

$2^3\times 5^1\times {\mathrm{1626181}}^1$

素因数の和:1626192

約数の個数: 16

約数和(自身を含む): 146356380

約数和(自身を除く): 81309140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1626181, 3252362, 6504724, 8130905, 13009448, 16261810, 32523620, 65047240]

約数ペア:

[(1, 65047240), (2, 32523620), (4, 16261810), (5, 13009448), (8, 8130905), (10, 6504724), (20, 3252362), (40, 1626181)]