80689456

素因数分解:

$2^4\times {\mathrm{397}}^1\times {\mathrm{12703}}^1$

素因数の和:13108

約数の個数: 20

約数和(自身を含む): 156741952

約数和(自身を除く): 76052496

約数列:

[1, 2, 4, 8, 16, 397, 794, 1588, 3176, 6352, 12703, 25406, 50812, 101624, 203248, 5043091, 10086182, 20172364, 40344728, 80689456]

約数ペア:

[(1, 80689456), (2, 40344728), (4, 20172364), (8, 10086182), (16, 5043091), (397, 203248), (794, 101624), (1588, 50812), (3176, 25406), (6352, 12703)]