78308960

素因数分解:

$2^5\times 5^1\times {\mathrm{489431}}^1$

素因数の和:489446

約数の個数: 24

約数和(自身を含む): 185005296

約数和(自身を除く): 106696336

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 489431, 978862, 1957724, 2447155, 3915448, 4894310, 7830896, 9788620, 15661792, 19577240, 39154480, 78308960]

約数ペア:

[(1, 78308960), (2, 39154480), (4, 19577240), (5, 15661792), (8, 9788620), (10, 7830896), (16, 4894310), (20, 3915448), (32, 2447155), (40, 1957724), (80, 978862), (160, 489431)]