82688960

素因数分解:

$2^6\times 5^1\times {\mathrm{258403}}^1$

素因数の和:258420

約数の個数: 28

約数和(自身を含む): 196903848

約数和(自身を除く): 114214888

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 258403, 516806, 1033612, 1292015, 2067224, 2584030, 4134448, 5168060, 8268896, 10336120, 16537792, 20672240, 41344480, 82688960]

約数ペア:

[(1, 82688960), (2, 41344480), (4, 20672240), (5, 16537792), (8, 10336120), (10, 8268896), (16, 5168060), (20, 4134448), (32, 2584030), (40, 2067224), (64, 1292015), (80, 1033612), (160, 516806), (320, 258403)]