65047720

素因数分解:

$2^3\times 5^1\times {\mathrm{1626193}}^1$

素因数の和:1626204

約数の個数: 16

約数和(自身を含む): 146357460

約数和(自身を除く): 81309740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1626193, 3252386, 6504772, 8130965, 13009544, 16261930, 32523860, 65047720]

約数ペア:

[(1, 65047720), (2, 32523860), (4, 16261930), (5, 13009544), (8, 8130965), (10, 6504772), (20, 3252386), (40, 1626193)]