78810064

素因数分解:

$2^4\times {\mathrm{499}}^1\times {\mathrm{9871}}^1$

素因数の和:10378

約数の個数: 20

約数和(自身を含む): 153016000

約数和(自身を除く): 74205936

約数列:

[1, 2, 4, 8, 16, 499, 998, 1996, 3992, 7984, 9871, 19742, 39484, 78968, 157936, 4925629, 9851258, 19702516, 39405032, 78810064]

約数ペア:

[(1, 78810064), (2, 39405032), (4, 19702516), (8, 9851258), (16, 4925629), (499, 157936), (998, 78968), (1996, 39484), (3992, 19742), (7984, 9871)]