138416080

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{157291}}^1$

素因数の和:157315

約数の個数: 40

約数和(自身を含む): 351075744

約数和(自身を除く): 212659664

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 157291, 314582, 629164, 786455, 1258328, 1572910, 1730201, 2516656, 3145820, 3460402, 6291640, 6920804, 8651005, 12583280, 13841608, 17302010, 27683216, 34604020, 69208040, 138416080]

約数ペア:

[(1, 138416080), (2, 69208040), (4, 34604020), (5, 27683216), (8, 17302010), (10, 13841608), (11, 12583280), (16, 8651005), (20, 6920804), (22, 6291640), (40, 3460402), (44, 3145820), (55, 2516656), (80, 1730201), (88, 1572910), (110, 1258328), (176, 786455), (220, 629164), (440, 314582), (880, 157291)]