78011480

素因数分解:

$2^3\times 5^1\times {\mathrm{1950287}}^1$

素因数の和:1950298

約数の個数: 16

約数和(自身を含む): 175525920

約数和(自身を除く): 97514440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1950287, 3900574, 7801148, 9751435, 15602296, 19502870, 39005740, 78011480]

約数ペア:

[(1, 78011480), (2, 39005740), (4, 19502870), (5, 15602296), (8, 9751435), (10, 7801148), (20, 3900574), (40, 1950287)]