78829540

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{135913}}^1$

素因数の和:135951

約数の個数: 24

約数和(自身を含む): 171251640

約数和(自身を除く): 92422100

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 135913, 271826, 543652, 679565, 1359130, 2718260, 3941477, 7882954, 15765908, 19707385, 39414770, 78829540]

約数ペア:

[(1, 78829540), (2, 39414770), (4, 19707385), (5, 15765908), (10, 7882954), (20, 3941477), (29, 2718260), (58, 1359130), (116, 679565), (145, 543652), (290, 271826), (580, 135913)]