64442769220

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{31902361}}^1$

素因数の和:31902471

約数の個数: 24

約数和(自身を含む): 136669718808

約数和(自身を除く): 72226949588

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 31902361, 63804722, 127609444, 159511805, 319023610, 638047220, 3222138461, 6444276922, 12888553844, 16110692305, 32221384610, 64442769220]

約数ペア:

[(1, 64442769220), (2, 32221384610), (4, 16110692305), (5, 12888553844), (10, 6444276922), (20, 3222138461), (101, 638047220), (202, 319023610), (404, 159511805), (505, 127609444), (1010, 63804722), (2020, 31902361)]