77650160

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{138661}}^1$

素因数の和:138681

約数の個数: 40

約数和(自身を含む): 206329056

約数和(自身を除く): 128678896

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 138661, 277322, 554644, 693305, 970627, 1109288, 1386610, 1941254, 2218576, 2773220, 3882508, 4853135, 5546440, 7765016, 9706270, 11092880, 15530032, 19412540, 38825080, 77650160]

約数ペア:

[(1, 77650160), (2, 38825080), (4, 19412540), (5, 15530032), (7, 11092880), (8, 9706270), (10, 7765016), (14, 5546440), (16, 4853135), (20, 3882508), (28, 2773220), (35, 2218576), (40, 1941254), (56, 1386610), (70, 1109288), (80, 970627), (112, 693305), (140, 554644), (280, 277322), (560, 138661)]