65571620

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{142547}}^1$

素因数の和:142579

約数の個数: 24

約数和(自身を含む): 143688384

約数和(自身を除く): 78116764

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 142547, 285094, 570188, 712735, 1425470, 2850940, 3278581, 6557162, 13114324, 16392905, 32785810, 65571620]

約数ペア:

[(1, 65571620), (2, 32785810), (4, 16392905), (5, 13114324), (10, 6557162), (20, 3278581), (23, 2850940), (46, 1425470), (92, 712735), (115, 570188), (230, 285094), (460, 142547)]