80182100

素因数分解:

$2^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{643}}^1$

素因数の和:729

約数の個数: 72

約数和(自身を含む): 184467360

約数和(自身を除く): 104285260

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 43, 50, 58, 86, 100, 116, 145, 172, 215, 290, 430, 580, 643, 725, 860, 1075, 1247, 1286, 1450, 2150, 2494, 2572, 2900, 3215, 4300, 4988, 6235, 6430, 12470, 12860, 16075, 18647, 24940, 27649, 31175, 32150, 37294, 55298, 62350, 64300, 74588, 93235, 110596, 124700, 138245, 186470, 276490, 372940, 466175, 552980, 691225, 801821, 932350, 1382450, 1603642, 1864700, 2764900, 3207284, 4009105, 8018210, 16036420, 20045525, 40091050, 80182100]

約数ペア:

[(1, 80182100), (2, 40091050), (4, 20045525), (5, 16036420), (10, 8018210), (20, 4009105), (25, 3207284), (29, 2764900), (43, 1864700), (50, 1603642), (58, 1382450), (86, 932350), (100, 801821), (116, 691225), (145, 552980), (172, 466175), (215, 372940), (290, 276490), (430, 186470), (580, 138245), (643, 124700), (725, 110596), (860, 93235), (1075, 74588), (1247, 64300), (1286, 62350), (1450, 55298), (2150, 37294), (2494, 32150), (2572, 31175), (2900, 27649), (3215, 24940), (4300, 18647), (4988, 16075), (6235, 12860), (6430, 12470)]