161154580

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{424091}}^1$

素因数の和:424119

約数の個数: 24

約数和(自身を含む): 356237280

約数和(自身を除く): 195082700

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 424091, 848182, 1696364, 2120455, 4240910, 8057729, 8481820, 16115458, 32230916, 40288645, 80577290, 161154580]

約数ペア:

[(1, 161154580), (2, 80577290), (4, 40288645), (5, 32230916), (10, 16115458), (19, 8481820), (20, 8057729), (38, 4240910), (76, 2120455), (95, 1696364), (190, 848182), (380, 424091)]