80015860

素因数分解:

$2^2\times 5^1\times {\mathrm{1627}}^1\times {\mathrm{2459}}^1$

素因数の和:4095

約数の個数: 24

約数和(自身を含む): 168204960

約数和(自身を除く): 88189100

約数列:

[1, 2, 4, 5, 10, 20, 1627, 2459, 3254, 4918, 6508, 8135, 9836, 12295, 16270, 24590, 32540, 49180, 4000793, 8001586, 16003172, 20003965, 40007930, 80015860]

約数ペア:

[(1, 80015860), (2, 40007930), (4, 20003965), (5, 16003172), (10, 8001586), (20, 4000793), (1627, 49180), (2459, 32540), (3254, 24590), (4918, 16270), (6508, 12295), (8135, 9836)]