55686815

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^2\times {\mathrm{41}}^1$

素因数の和:140

約数の個数: 48

約数和(自身を含む): 79017120

約数和(自身を除く): 23330305

約数列:

[1, 5, 17, 19, 29, 41, 85, 95, 145, 205, 323, 493, 551, 697, 779, 841, 1189, 1615, 2465, 2755, 3485, 3895, 4205, 5945, 9367, 13243, 14297, 15979, 20213, 22591, 34481, 46835, 66215, 71485, 79895, 101065, 112955, 172405, 271643, 384047, 586177, 655139, 1358215, 1920235, 2930885, 3275695, 11137363, 55686815]

約数ペア:

[(1, 55686815), (5, 11137363), (17, 3275695), (19, 2930885), (29, 1920235), (41, 1358215), (85, 655139), (95, 586177), (145, 384047), (205, 271643), (323, 172405), (493, 112955), (551, 101065), (697, 79895), (779, 71485), (841, 66215), (1189, 46835), (1615, 34481), (2465, 22591), (2755, 20213), (3485, 15979), (3895, 14297), (4205, 13243), (5945, 9367)]