128983060

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{63853}}^1$

素因数の和:63963

約数の個数: 24

約数和(自身を含む): 273550536

約数和(自身を除く): 144567476

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 63853, 127706, 255412, 319265, 638530, 1277060, 6449153, 12898306, 25796612, 32245765, 64491530, 128983060]

約数ペア:

[(1, 128983060), (2, 64491530), (4, 32245765), (5, 25796612), (10, 12898306), (20, 6449153), (101, 1277060), (202, 638530), (404, 319265), (505, 255412), (1010, 127706), (2020, 63853)]