42510980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{111871}}^1$

素因数の和:111899

約数の個数: 24

約数和(自身を含む): 93972480

約数和(自身を除く): 51461500

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 111871, 223742, 447484, 559355, 1118710, 2125549, 2237420, 4251098, 8502196, 10627745, 21255490, 42510980]

約数ペア:

[(1, 42510980), (2, 21255490), (4, 10627745), (5, 8502196), (10, 4251098), (19, 2237420), (20, 2125549), (38, 1118710), (76, 559355), (95, 447484), (190, 223742), (380, 111871)]