163021340

素因数分解:

$2^2\times 5^1\times {\mathrm{1279}}^1\times {\mathrm{6373}}^1$

素因数の和:7661

約数の個数: 24

約数和(自身を含む): 342666240

約数和(自身を除く): 179644900

約数列:

[1, 2, 4, 5, 10, 20, 1279, 2558, 5116, 6373, 6395, 12746, 12790, 25492, 25580, 31865, 63730, 127460, 8151067, 16302134, 32604268, 40755335, 81510670, 163021340]

約数ペア:

[(1, 163021340), (2, 81510670), (4, 40755335), (5, 32604268), (10, 16302134), (20, 8151067), (1279, 127460), (2558, 63730), (5116, 31865), (6373, 25580), (6395, 25492), (12746, 12790)]