78887840

素因数分解:

$2^5\times 5^1\times {\mathrm{493049}}^1$

素因数の和:493064

約数の個数: 24

約数和(自身を含む): 186372900

約数和(自身を除く): 107485060

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 493049, 986098, 1972196, 2465245, 3944392, 4930490, 7888784, 9860980, 15777568, 19721960, 39443920, 78887840]

約数ペア:

[(1, 78887840), (2, 39443920), (4, 19721960), (5, 15777568), (8, 9860980), (10, 7888784), (16, 4930490), (20, 3944392), (32, 2465245), (40, 1972196), (80, 986098), (160, 493049)]