89630980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{235871}}^1$

素因数の和:235899

約数の個数: 24

約数和(自身を含む): 198132480

約数和(自身を除く): 108501500

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 235871, 471742, 943484, 1179355, 2358710, 4481549, 4717420, 8963098, 17926196, 22407745, 44815490, 89630980]

約数ペア:

[(1, 89630980), (2, 44815490), (4, 22407745), (5, 17926196), (10, 8963098), (19, 4717420), (20, 4481549), (38, 2358710), (76, 1179355), (95, 943484), (190, 471742), (380, 235871)]