78340960

素因数分解:

$2^5\times 5^1\times {\mathrm{489631}}^1$

素因数の和:489646

約数の個数: 24

約数和(自身を含む): 185080896

約数和(自身を除く): 106739936

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 489631, 979262, 1958524, 2448155, 3917048, 4896310, 7834096, 9792620, 15668192, 19585240, 39170480, 78340960]

約数ペア:

[(1, 78340960), (2, 39170480), (4, 19585240), (5, 15668192), (8, 9792620), (10, 7834096), (16, 4896310), (20, 3917048), (32, 2448155), (40, 1958524), (80, 979262), (160, 489631)]