78913160

素因数分解:

$2^3\times 5^1\times {\mathrm{1972829}}^1$

素因数の和:1972840

約数の個数: 16

約数和(自身を含む): 177554700

約数和(自身を除く): 98641540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1972829, 3945658, 7891316, 9864145, 15782632, 19728290, 39456580, 78913160]

約数ペア:

[(1, 78913160), (2, 39456580), (4, 19728290), (5, 15782632), (8, 9864145), (10, 7891316), (20, 3945658), (40, 1972829)]