80956460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{311371}}^1$

素因数の和:311393

約数の個数: 24

約数和(自身を含む): 183086736

約数和(自身を除く): 102130276

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 311371, 622742, 1245484, 1556855, 3113710, 4047823, 6227420, 8095646, 16191292, 20239115, 40478230, 80956460]

約数ペア:

[(1, 80956460), (2, 40478230), (4, 20239115), (5, 16191292), (10, 8095646), (13, 6227420), (20, 4047823), (26, 3113710), (52, 1556855), (65, 1245484), (130, 622742), (260, 311371)]